tag:blogger.com,1999:blog-30155208593185361002024-03-05T16:33:11.583-08:00Barbara's blogAnonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.comBlogger172125tag:blogger.com,1999:blog-3015520859318536100.post-56454562091243671582017-05-14T03:24:00.001-07:002017-05-14T03:24:36.502-07:00The 5 Reasons Why We Still See Security Wearing Wired Security EarpiecesAdvancement in technology has changed the form of how electronic devices look like, how they operate and consequently how we handle them. Devices such as radios have become smaller, lighter and wireless. The <a href="http://www.techradar.com/how-to/computing/what-is-bluetooth-1323284">advent of Bluetooth</a> has enabled radios to connect without any physical connections; notably saving us from the fuss of tangled and visible wires. <a href="https://en.wikipedia.org/wiki/In-ear_monitor">The wireless earpieces are in use</a>, but it is important to note that they have not completely taken over from the wired covert earpieces. With the convenience and technological advancement they offer, why is it that they have not replaced their wired counterparts especially in fields of operation? Here are a few thoughts: <br><br>Reliability <br><br>Wireless earpieces are not as reliable as the wired ones. The technology that supports Bluetooth communication has it that the source device (radio) and the receiving device (earpiece) have to be at a certain distance from each other and nothing should come in between the path of transmission of the two devices. This means that if any of the two requirements are not as anticipated, functionality is compromised. Wired earpieces do not have the complication of interference and limited bandwidth. When you are in a situation where reliability is crucial, where you cannot afford to lose connection, say you are out in the field on operation, it would make sense to use wired covert earpieces as they are easy to handle, making them more reliable. <br><br>Limited Operational Lifetime <br><br>For a wireless device to be operational, it needs to be charged. When out on assignment, the crew will need to ensure that they have fully charged the wireless earphones and carried a fully-charged extra battery. The batteries work on a limited operational lifetime which burdens the crew as they have to keep replacing the batteries every time. When pack ing batteries for replacement, one should pack enough to cater for both the radio and earphone. This is not the case with the wired pieces. For wired pieces, the crew only has to worry about a single cable that will connect the radio to the earphones. The wired option is therefore less of a burden to handle than the wireless ones. <br><br>Necessary Visibility <br><br>In some instances, the visibility of the wires, which the wireless earpieces work against, is crucial in making a statement. In a security situation, the wired pieces are visible to the human eye; they make the <a href="http://smallbusiness.chron.com/benefits-having-security-guard-business-2386.html">public aware of the security</a>. The visibility in itself reinforces security, deterring any harmful or criminal practices that may take place. In such a situation, wireless pieces are of no use as no security statement will be made. <br><br>Disruption and Negative Interference <br><br>Wireless earpieces are vulnerable to signal disruption and negative interference. It is possible for a wireless-transmitted signal to be compromised- an activity that may cause threats and anomalies. A signal transmitted by wireless means may be decrypted and accessed by unauthorized people. At the same time, the signal may be compromised in a way the end product that is received as sound is not what was initially transmitted. Bluetooth is open to any form of interference, be it purposeful or accidental. The wired covert earpiece on the other hand greatly reduce the possibility of such malpractices as it would be hard to physically interfere with transmission without anyone noticing. <br><br><img style="float:right;margin:10px;border:none;" src="http://thumbs4.picclick.com/d/w1600/pict/130441600455_/MOTOROLA-Acoustic-Earpiece-DP3400-DP3600-FBI-STYLE.jpg" width="392" /><br><br>Misplacing earpieces during an incident <br><br>In the event of an incident, it would be hard to misplace a wired covert earpiece. This is becaus e, when an agent is on the move or if they make any vigorous movements, the radio earpiece might be detached from the ear but will not fall; it is tethered to the radio using the wire. On the other hand, a Bluetooth earpiece would probably detach itself from the ear, fall down and be misplaced as it has no physical tethering to the radio device. This will cost an agent a lot of time in looking for a misplaced device and even the responsibility of a lost device. <br><br>When it comes to technology, the feature advancements are normally made to our convenience and efficiency but in some cases, the old way of doing things would prove to be better. Wired radio earpieces have major advantages over their wireless counterparts, making them hard to phase out. What the wireless earpieces can function as at this point is as a complimentary device to the wired one.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com2tag:blogger.com,1999:blog-3015520859318536100.post-32048832887127306962017-05-14T03:22:00.001-07:002017-05-14T03:22:55.089-07:00Rifleman Radio is indispensable<em>When the army are on the battlefield, the equipment that they carry and the weight of it is paramount. Most two way radios are one of two things, light and easily breakable, with limited power, meaning limited range or heavy and the opposite to the above, Robust and able to transmit at a lengthy distance. The current development for a 2 channel thatâs </em><em>able to receive and transmit voice and data is an interesting concept. This article, <a href="http://www.c4isrnet.com/articles/rifleman-radio-is-indispensable">that can originally be found here</a>, give you more of the story.  </em> <br><br>Nearly two years after the award of the Rifleman Radio contract, I made an appeal for new thinking by both the defense acquisition corps and the defense industry that now bears repeating. <br><br>Twenty-two months ago, the need for the Rifleman Radio was obvious as it is today. It provides infantry units with a relatively small and lower cost software-defined radio capable of transmi tting voice and data, such as maps, images and texts. The technology that defines this âworkhorseâ tactical radio was continuing to mature, resulting in todayâs Rifleman Radio being far more reliable and capable than the LRIP-ordered radios from even three years ago. <br><br>This maturation process was being driven by ongoing investments in radio technology made by the defense industry, including Thales and Harris Corporation, the two companies selected by the Army to build the Rifleman Radio. <br><br>At that time, I noted that success in the Defense Department's new âNon-Developmental Itemsâ or NDI strategy for the Armyâs HMS program would require three things: <br><br><ul> <br><br><li><strong>People</strong>. Bringing the right people together from three key groups for meaningful engagement: those defining the capabilities; those acquiring the capability for the government and industry; and those who have to deliver the capability to the Warfighter.</li> <br><br><li><s trong>Dialogue</strong>. Creating ethical opportunities for face-to-face discussions with industry (not RFI dialogues) about the state of technology innovation and what is feasible to provide in a reasonable time and at a reasonable price.</li> <br><br><li><strong>Strategy</strong>. Building a shared understanding that this new NDI marketplace for tactical radios that requires industry to invest their own money to develop products will be one that delivers greater and greater capabilities over time, in other words, iteratively.</li> <br><br></ul> <br><br><strong>Where are we now? </strong> <br><br>The Army is currently working to develop requirements for a 2-channel variant of the Rifleman Radio, a significant step in the Riflemanâs continuing evolution. The fundamental 2-channel communications capability â" whether handheld or manpack variants â" represents the future of tactical communications. <br><br>Two-channel capabilities for the small-unit leader radio like the Rifleman will meet the Armyâs evolving tactical communications needs, with its ability to receive and transmit voice and data simultaneously, passing data to and from command to the unit. <br><br>The 2-channel Rifleman Radio will provide new capabilities without adding weight from extra radios and batteries. In short, it will provide the capability of two radios without burdening troops with lugging around two radios. <br><br>Viewed from a technical perspective, however, a 2-channel handheld radio represents an exponential leap in terms of complexity â" it bears no relationship to the notion of âfusing two 1-channel radios together.â <br><br><img style="float:left;margin:10px;border:none;" src="http://www.army.mil/e2/c/images/2014/08/13/358488/size0.jpg" width="336" /><br><br>Even the 2-channel HMS Manpack represents a tremendous technological leap forward, though it came with fewer space, size, power and weight limitations than the much smaller handheld Rifleman undoubtedly will. In short, the 2-channel Rifleman Radio will be a tall mountain to climb. <br><br><strong>The future Rifleman 2-channel</strong> <br><br>The 2-channel Rifleman is an achievable reality, however, and speaking for Harris, weâre already well on the way to delivering this capability. The U.S. Special Operations Command (SOF) Tactical Communications (STC) 2-channel handheld radio being developed by Harris for special operations forces is leading the way to this future. <br><br>The STC radios are able to operate in the harshest environments and are specially designed to meet rigorous requirements. The STCs are small, lightweight, multiband and multifunction, with multi-mission capability to enable SOF teams to communicate over multiple channels simultaneously. <br><br>The Harris STC will provide the ability to receive ISR full-motion video and signals-based threat information. These handheld radios also will have built-in backward interoperability to communicate over legacy networks, and w ill be upgradable to integrate new capabilities as requirements evolve. <br><br>Although the Armyâs requirements are still coming together, the 2-channel Rifleman most likely will trade fewer features for less cost. That said, there are many technical attributes related to the 2-channel capability that are likely to be applied from the Harris STC to the next iteration of the Rifleman. <br><br>The important takeaway here is that the Armyâs continued commitment to evolving tactical communications has led industry to sustain its investment in advancing capabilities â" and that formula has brought the 2-channel handheld much closer to reality. <br><br>Whether it is the STC or 2-channel Rifleman, the coming wave of new communication capabilities are the result of persistent innovations in myriad radio components: chip design, software, battery life, power consumption and antennas, to name a few. <br><br>As I <a href="http://www.c4isrnet.com/story/military-tech/blog/net-defense/2015 /01/06/moran-radios-rfp-new-era/21343387/">pointed out in January 2015</a>, the development of the Rifleman Radio would represent just the first iteration in the Armyâs modernization of tactical radios â a commitment that would deliver even more revolutionary capabilities over the next decade. But this will only happen if the Army maintains its end of the bargain by assuring industry that ongoing investments would be rewarded with purchases of the end products. <br><br>If BBP 1.0, 2.0 and 3.0 continue to be nurtured and âtake root,â these radio technology capabilities will continue to evolve with each measured investment making possible continuing progress. Such an active NDI marketplace will ensure industry remains committed to R&D â" and the beneficiary of this healthy dynamic is the warfighter.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-64071020595033437772017-03-26T16:11:00.001-07:002017-03-26T16:11:13.033-07:00How To Select The Right Radio EarpieceWhen choosing a radio earpiece, there are several factors that should be considered. A radio earpiece should not only aid in communication it should also protect the userâs ear against cumulative ear damage that may eventually result in ear loss. Below are the factors that you should consider when buying a radio earpiece; <br><br>1) Clarity of communication <br><br>The most important reason as to why you have a radio is for clear communication and this is what your radio earpiece should enhance. Although there are several radio earpieces out there, many of them use bone conduction when transmitting the userâs speech meaning that they heavily rely on vibrations of oneâs skull as they talk. This does not help much in ensuring that the communications are clear especially when one is on the move. <br><br>You should therefore go for a system whose in-ear microphone does not use <a href="https://en.wikipedia.org/wiki/Bone_conduction">bone conduction</a> and this will enhance the soun d clarity. Such a system can even transmit speeches when one is whispering and this comes in handy especially when in an environment where secrecy is very crucial. <br><br>2) Comfort <br><br>It is very important to select a system that you feel comfortable with most importantly when you are to wear it on your head. Note that, you will probably be wearing the gear for long hours and that is why it should be of lightweight and should not in any way interfere with your eye wear or helmet. <br><br>Avoid heavy, sweaty and coiled tube earpieces that are very uncomfortable and will cause ear fatigue. Instead, go for a radio earpiece whose microphone is built into the earbud itself. Such earpieces come in various shapes and sizes and can even be customized to fit the specific needs of a user. Note that, military-grade materials are specifically designed to be of lightweight. <br><br>3) Durability <br><br>Durability is a very <a href="https://www.earpieceonline.co.uk">important factor that should be considered when choosing a radio earpiece</a> . You obviously donât want to be wasting your time and money going back to look for another earpiece just because the one you chose did not last. This is why it is very important to select a system that is durable and has been tested for rugged use of a soldier or a SWAT officer. Go for one whose manufacturer is experienced in manufacturing earpieces that can withstand water, dirt, shock and even extreme temperatures. <br><br>4) Ease of use <br><br>Your radio earpiece should be easy to use because you canât afford to mess up with the push-to-talk or the on & off buttons especially when on the move. Your gear should immediately fit into your actions with minimum effort. Look at the operational and the ergonomic features of the various radio earpieces and make sure that all its features are both of the right sizes and in the right places. <br><br>5) Hearing protection <br><br>Claims related to hearing loss and its related dis abilities is on the rise among police & military veterans and this has led to the need for hearing protection for officers. Note that, hearing loss occurs cumulatively over time and it is irreversible. This is in addition to the fact that it has been associated with cognitive decline and that is why even the minor hearing loss can have a huge impact in the course of time. Select a radio earpiece that not only ensures effective communication, but also the <a href="http://www.hse.gov.uk/noise/regulations.htm">hearing safety of the user</a>. <br><br>6) Situational awareness <br><br>An earpiece is basically meant to keep you focused and keep your hands free. You should be aware of what is happening in their surrounding and that is why a radio earpiece should allow one to hear sounds that are outside, to stay alert with their surroundings. <br><br>In order to have full communications (just like one would have without anything in their ears), it is wise to choose a radio earpiece that has an external microphone. There are systems that even enable you to adjust volume of the external microphone and this ensures that you are aware of the happenings in your surroundings. <br><br>7) Modularity & Compatibility <br><br>There are several systems that are available out there and you should look for one that fits your requirements. As mentioned above, some of them can be customized to fit an individual userâs specific needs so you can never run out of options. <br><br>A radio earpiece that has a modular connector is good as you can change it to match even a different radio without having to replace the entire system. Some systems can even go with both earbuds and over-the-ear earpieces so depending on your needs, select the appropriate system. <br><br><img style="float:right;margin:10px;border:none;" src="http://www.showcomms.com/gfx/icm40%203shades%20cleaned%20.jpg" width="372" /><br><br>8) Affordability <br><br>Many years ago radio earpieces cost £100 and upwards, these days you can get a D-ring earpiece for less than £15 and an acoustic tube for about £25. Bone conductor earpieces that were previously and expensive piece of technology, can be yours for about £40.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-89214439598131787722017-03-18T13:21:00.001-07:002017-03-18T13:21:25.371-07:00Sepura Contributes to Success of Worldâs First Cross-border TETRA System<em>We take it for granted that when we move around the country our mobile phones connect to the nearest mast, or we go abroad and our phones automatically connect to the network, with tetra, this is not as easy, but this article is about a test that Sepura completed connecting two TETRA networks in Norway and Sweden, interesting stuff.</em> <br><br><img src="http://www.nationalwireless.com.au/wp-content/uploads/2015/04/NationalWirelessHBC_SRG3900-transceiver-2.jpg" width="277" /><br><br>Sepura radios have successfully participated in interoperability trials for the worldâs first cross-border TETRA communication system, linking RAKEL and Nødnett, Sweden and Norwayâs public safety networks. <br><br>More than 350 first responders were involved in the trials, which took place in MerÃ¥ker, close to the Swedish border, in a crisis response exercise involving public safety users from both countries. <br><br>The cross-border system utilises TETRA Inter-System Interface (ISI) functional ity to connect networks together, effectively allowing users to roam to another network. This allows first responders to use their radios in both countries â" vital for smooth collaboration in emergency situations. <br><br>The initiative to strengthen co-operation between national emergency services started in 2013 with the EU-funded Inter-System Interoperability project, designed to improve the ability to respond to natural disasters and security threats. The RAKEL and Nødnett networks are scheduled to be ready for bi-national operational use in early 2017. <br><br>Sepuraâs STP9000 hand-portable radios and SRG3900 mobile radios were used by both Swedish and Norwegian emergency services during the exercise, although all Sepura radios â" including the new flagship SC20 range â" meet the technical requirements of the ISI system. <br><br>âThis is one of the most advanced multinational radio communication projects in Europe,â said Tariq Haque, Product Manager for Sepura. <br>< br>âAfter two yearsâ development, bi-national interoperability has become a reality, bringing cross-border mission critical communications to Sweden and Norway. <br><br>âWe are extremely pleased to have played a part in this ground-breaking event.â <br><br>Source - <a href="http://www.tetra-applications.com/33643/news/sepura-contributes-to-success-of-world-s-first-cross-border-tetra-system">http://www.tetra-applications.com/33643/news/sepura-contributes-to-success-of-world-s-first-cross-border-tetra-system</a><br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com1tag:blogger.com,1999:blog-3015520859318536100.post-76047707724732055912017-03-14T19:07:00.001-07:002017-03-14T19:07:58.194-07:00Occupational health effects linked to terrestrial trunked radios (TETRA)<em>Tetra has been the main stay for the Emergency services for over 10 years and it has been a used by other industries for longer than that. There has been plenty of time for health concerns to be brought up and as the technology is similar to mobile phone, which has been around for 20+ years and radio communications (walkie talkies) for much longer than that, and no really hard evidence has ever been brought that either of these two cause health issues, <a href="http://www.personneltoday.com/hr/occupational-health-effects-linked-terrestrial-trunked-radios-tetra/">this article</a> probes the possibilities of TETRA causing health concerns, see what they uncover below.</em> <br><br><strong>The use of terrestrial trunked radios (TETRAs) has raised concerns about health and sickness absence. Jackie Cinnamond looks at the evidence for a precautionary approach.</strong> <br><br>The British police and the other emergency services use a communication system involving technology called TETR A (terrestrial trunked radio), which is halfway between a mobile phone system and a walkie-talkie. <br><br>At one NHS trust during the autumn of 2013, it was noted that there seemed to be a correlation between increasing levels of sickness absence in ambulance staff and the recent introduction of TETRAs. <br><br>This assumed association was based upon clinical presentations of cases being seen in occupational health practice involving ambulance service employees, who maintain that their portable radio handsets are causing them to experience adverse health effects. <br><br>TETRA is the leading public safety radio communications system worldwide, and serves to enhance the function of almost 500,000 police, ambulance and firefighting employees (Airwave solutions, 2012; Motorola, 2007). <br><br>The Government commissioned TETRA in 2005 at a cost of £3 billion. It did so in response to concerns raised by the Police Federation regarding the use of a two-way radio communication system and its link with breast cancer in female operatives (Police Federation News, 2005). <br><br>The use of TETRAs was contentious due to similar health fears raised by the Health Protection Agency and its working group of 2001. Consequently, the Airwave Health Monitoring Study started in 2009 and the findings are due to be released in 2018 (Imperial College London, 2009). This long-term, observational study is investigating health outcomes of TETRA users within the police force. <br><br>Initial concerns were raised by Lancashire police after it was introduced, when almost 200 police officers began to experience symptoms of nausea, malaise, head pain, insomnia, skin complaints and two cases of oesophageal cancer (Farrell, 2002; Police Federation News, 2005). <br><br>Comparably, these symptoms correlate with reports of symptoms experienced by the ambulance employees within this trust, soon after the TETRA system was purchased, and which could be associated with electromagnetic radiation emi tted by this technology. <br><br>Technical issues related to TETRAs <br><br>Radiation is a source of energy produced during atom separation. The process of ionisation results in the addition, or removal, of one or more electrons from an atom or molecule. <br><br>The force of the electromagnetic energy waves released during separation are categorised as either non-ionising, where the energy released is insufficient to ionise matter, or ionising radiation, where adequate energy is present to ionise matter (Tillman, 2007). <br><br>Ionising radiation is associated with the X-ray process; and non-ionising radiation is associated with the transmission and receipt of mobile telecommunication signals (IEGMP, 2000). <br><br>Electromagnetic fields are quantified by their wavelength, and the frequency at which the wave pulsates (Sanchez, 2006). <br><br>The wavelength frequencies are expressed in Hertz (Hz) and oscillate within a spectrum where one Hz is one oscillation per second, and one kilo Hertz (kHz) is 1,000 Hz. Radios using 16-17Hz should be avoided as these frequencies are known to adversely affect health. TETRAs operate at a frequency of 17.6Hz <br><br>Potential implications for health <br><br>Mobile telecommunication devices are a cause of contention. The health effects associated with their use remain unproven (Kundi, 2009). Human stem cells are more susceptible to electromagnetic fields compared with differentiated human primary cells. The constraining influences of electromagnetic fields upon DNA regeneration in human stem cells could manifest itself in the development of abnormalities within the DNA replication process. Consequently, the initiation of cancer may result (Valberg et al, 2007). <br><br>With an estimated 500,000 emergency service employees currently using TETRA systems, if a causal relationship between the use of portable radio handsets and cancer development was subsequently established, then this could present a significant OH and public healt h challenge (Health Professionals Council, 2011; Dhani, 2012). <br><br>Current research <br><br>The incessant proliferation of wireless telecommunications technology use has intensified public fears and generated international debate regarding the chances of cancer developing as a direct consequence of exposure to electromagnetic fields emitted from devices such as mobile phones (Kundi, 2009). <br><br>Research findings accumulated over the past decade suggest a causal relationship between electromagnetic exposure through the use of wireless telecommunication systems and cancer development (Levis et al, 2011). Conflictingly, current research results conclude that there is insufficient evidence, or none at all, to suggest that acceptable electromagnetic frequencies emitted through mobile phone use can cause adverse health conditions or cancer (Kundi, 2009). <br><br>However, the majority of current research studies are sponsored by the telecommunication industry and, therefore, finding s tend to significantly underestimate cancer risk. The overall accumulation of research findings, regardless of study design imperfections and financial bias, leans towards the opinion that there is an increased likelihood of a causal relationship between mobile phone use and cancer (Kundi, 2009; Levis et al, 2011). <br><br>Legislation related to TETRAs <br><br>Although most technology poses some level of risk to human health, such threats must be measured precisely and dependably (Levis et al, 2011). Presently, two international organisations â" the International Commission on Non-Ionising Radiation Protection (ICNIRP) and the National Radiological Protection Board (NRPB) â" have produced guidelines for limiting exposure to electromagnetic fields within the UK and the European Union (EU). <br><br>The ICNIRP (1998) recommendations have been integrated into the European Council Recommendations (1999) and have subsequently been incorporated into statute in Germany (WHO, 2011). <br>< br>Limits for human exposure to electromagnetic fields have been set accordingly by the ICNIRP and the NRPB (1993) at between 10 and 300 GHz. However, the ICNIRP guidelines have established an upper limit for occupational exposure that is five times higher in employees than it is in the general public (IEGMP, 2000). The exposure limit values are referred to as âbasic restrictionsâ and are based upon specific absorption rate (SAR), which equates to the rate at which the body absorbs energy in relation to each unit of body tissue (WHO, 2011). <br><br>Precautionary principles for TETRA use <br><br>In the absence of accurate guidance and methods for measuring exposure levels, the robust research evidence that establishes a causal link between electromagnetic exposure and cancer should be acknowledged and precautionary principles implemented (Hardell et al, 2005). <br><br>Precautionary principles with regard to electromagnetic radiation are defined by Valberg et al (2007) as implemen ting a safety-conscious approach prior to a significant causal link between electromagnetic fields and cancer development being established. The idea behind introducing precautionary principles is to try to reduce the degree of public concern regarding the potential health implications of exposure to electromagnetic fields (Wiedeman and Schutz, 2005). <br><br>However, the implementation of precautionary principles would be subjected to a cost-benefit analysis and, therefore, would be measured against what the populace deems financially equivalent to the cost of similar risks to society (Australian Radiation Protection and Nuclear Safety Agency, 2001). <br><br>Furthermore, their implementation may adversely increase the publics perception of risk and induce a psychosomatic-related development of adverse health problems and proceed to over burden already stretched resources unnecessarily. <br><br>However, the Bioinitiative Working Group (2012) contends that the public health approach to addressing exposure to electromagnetic fields should be viewed in the same regard as passive smoking and established on the current scientific evidence accessible. <br><br>Implications for OH <br><br>Despite the health risks associated with electromagnetic field exposure, the National Policing Improvement Agency continues to emphasise to its employees that the only adverse health effects of electromagnetic fields are established through tissue heating at significant levels. <br><br><img style="float:left;margin:10px;border:none;" src="http://www.kofre.com.br/upload/radio-tetra-mtp-6550.jpg" width="302" /><br><br>It also discredited the accounts of the symptoms experienced by employees as psychosomatic conditions (Farrell, 2002; Police Federation News, 2005). <br><br>However, Kundi (2009) affirms that the carcinogenic effects of electromagnetic fields over a prolonged latency period are equivalent to the same intensities for smoking-related cancers. Furthermore, the latency period for cancer development is estimated to be 10-30 years. This raises concerns regarding the increased age of retirement, because occupational health departments could potentially have to adapt to accommodate older workers who have been subjected to long latency periods of electromagnetic exposure and its associated health conditions. <br><br>The Global Occupational Health Network (2006) advocates that staff undertaking occupational roles with a potential carcinogenic risk should be properly educated and instructed about the appropriate precautionary measures for working with carcinogens, in accordance with health and safety protocols. <br><br>The duty of care under s.2 of the Health and Safety at Work etc Act (1974) requires employers to implement what is reasonably practicable to safeguard the health and safety of their employees through the establishment of safe systems of work, and to ensure that staff are adequately informed regarding any potential hazards. <br><br>The Independen t Expert Group on Mobile Phones maintains that a precautionary approach to the use of mobile phones be adopted until more detailed and scientifically robust information on any potential health effects becomes apparent. <br><br>Conclusion <br><br>Telecommunication technology will continue to evolve and may be associated with future health risks. In the absence of any substantial research evidence to conclusively prove that exposure to electromagnetic fields does not pose a risk to health, precautionary measures should be implemented. <br><br>The emphasis of these measures should include policy changes that keeps pace with technological developments. This goes hand in hand with evidence-based practice and processes that educate employers and employees, aimed at minimising the potential health risks associated from prolonged electromagnetic field exposure. The findings of the airwave health monitoring study are eagerly awaited.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-19734519389066971602017-03-13T12:42:00.001-07:002017-03-13T12:42:09.577-07:00WiFi Enabled LTE Small Cell Gateway Market to Register a Strong Growth By 2021 - PMR<em>On paper, connecting walkie talkie radios to a Wifi networkis is the most obvious method of controlling and communicating within a business. But the reality is that there arenât many radios on the market that have the capability to do this and many wifi networks arenât robust enough to manage lots of radios, <a href="http://www.openpr.com/news/386536/WiFi-Enabled-LTE-Small-Cell-Gateway-Market-to-Register-a-Strong-Growth-By-2021-PMR.html">this article</a> predicts that this technology will be a growth market, we will wait and see.</em> <br><br>WiFi enabled LTE small cell gateway is a type of a base station. Base station uses cellular wireless network for communicating with mobile phones or terminals. Base station connects mobile phones to a wireless carrier network and offers local coverage for a wireless network. The area of coverage varies from several miles to few city blocks. Each base station is typically owned by one carrier or wireless company and gives coverage only fo r that company's network. It may also offer roaming coverage for other networks in case carriers have agreement for roaming and technology is compatible. Base station comprises of an electronic cabinet which connected by means of cables to a group of antennas. The antennas may be mounted on an existing structure or on dedicated tower structure including top of a building, church steeple or smoke-stack and water tower. <br><br>In radio communications, base station refers to wireless communications station implemented at a fixed location and used to communicate as wireless telephone system including cellular GSM or CDMA cell site, part push-to-talk two-way radio system, terrestrial trunked radio and two-way radio. A single location often operates several base stations owned by a different carrier. Smaller types of base stations or small cells include picocells, femtocells and microcells. WiFi enabled LTE small cell gateway is promising network element. A wide variety of base station d eployments are in a small cell configuration. It has WiFi interface at end-use device and LTE interface at the carrier network. <br><br><img style="float:right;margin:10px;border:none;" src="http://www.radio-now.co.uk/littleimages/2009/roberts_streamtime_wifi_internet_radio_front.jpg" width="273" /><br><br>Small cell is low-powered radio access nodes (operator-controlled) that operate in carrier-grade Wi-Fi (unlicensed) and licensed spectrum. Small cells normally have a range from 10 to numerous hundred meters. Small cell base stations are expected to play vital role in expanding the capacity of wireless networks due to increasing mobile data traffic. Mobile operators are increasingly looking forward to this technology in order to meet the rising demands for data, video and application access generated due to smart phones and other devices. Small cells aid mobile service that detect presence, interact wand connect with existing networks. Small cells offer increased quality of servic e and flexibility at an affordable cost. Small cell infrastructure implantation is an environmentally friendly approach as it reduces the number of cell towers and offers a cleaner signal using less power. <br><br>Rising numbers of wireless carriers or companies are taking dedicated interest in this industry owing to the proliferation of embedded WiFi features in fixed and mobile devices. Growing demand for more advanced handheld devices such as smart-phones and tablets is expected to create demand for technologies with high internet speed. This in turn, is expected to drive the growth of WiFi enabled LTE small cell gateways.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-36798153924315860602017-03-01T11:38:00.001-08:002017-03-01T11:38:05.917-08:00MIT's new method of radio transmission could one day make wireless VR a reality<em>VR is the Buzz word for this year, every technology company clambering to get their headset out on to the market. Much of the market needs to catch-up though, the power of home computing needs to improve and removing the inevitable extra cabling and wires that come with current headsets. Luckily <a href="http://www.theverge.com/circuitbreaker/2016/11/28/13763912/mit-radio-transmission-millimeter-wave-wireless-vr">this article is about the future technology of VR headsets</a>, see what we can expect as this technology grows.</em> <br><br>If you want to use one of today's major VR headsets, whether the Oculus Rift, the HTC Vive, or the PS VR, you have to accept the fact that there will be an illusion-shattering cable that tethers you to the small supercomputer that's powering your virtual world. <br><br>But researchers from MITâs Computer Science and Artificial Intelligence Laboratory (CSAIL) may have a solution in <a href="http://news.mit.edu/2016/enabling-wireless-virtual-reality-1114">MoVr, a wireless virtual reality system</a>. Instead of using Wi-Fi or Bluetooth to transmit data, the research teamâs MoVR system uses high-frequency millimeter wave radio to stream data from a computer to a headset wirelessly at dramatically faster speeds than traditional technology. <br><br><img src="http://cdn.thegadgetflow.com/wp-content/uploads/2015/09/DESTEK---3D-VR-Virtual-Reality-Headset-01.jpg" width="356" /><br><br>There have been a variety of approaches to solving this problem already. Smartphone-based headsets such as <a href="http://www.theverge.com/2016/11/18/13670182/how-google-daydream-view-vr-headset-was-made">Google's Daydream View</a> and Samsung's Gear VR allow for untethered VR by simply offloading the computational work directly to a phone inside the headset. Or the entire idea of <a href="http://www.theverge.com/circuitbreaker/2016/11/10/13588864/msi-vr-one-backpack-newegg-price-availability">VR backpacks</a>, which allow for a more mobile VR experience by building a computer that's more easily carried. But there are still a lot of limitations to either of these solutions. <br><br>THE MOVR PROTOTYPE SIDESTEPS TETHERED VR ISSUES <br><br>Latency is the whole reason a wireless solution hasn't worked so far. VR is especially latency-sensitive, along with the huge bandwidth requirements that VR needs to display the level of high-resolution video required for virtual reality to work. But the MIT team claims that the millimeter wave signals can transmit fast enough to make a wireless VR headset feasible. <br><br>The issue with using millimeter wave technology is that the signal needs a direct line of sight, and fares poorly when it encounters any obstacles. MoVR gets around this by working as a programmable mirror that can direct the direction of the signal to the headset even while itâs moving to always make sure the signal is transmitting directly to the headset's receivers. <br><br>For now, the MoVR is simply a prototype, with the team hoping to further shrink down the system to allow for multiple wireless headsets in one room without encountering signal interference. But even as a proof-of-concept, it's an interesting perspective on how virtual reality could one day work.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-31850639698557271942017-02-28T10:30:00.001-08:002017-02-28T10:30:45.148-08:00Airbus to display resilient PMR communications infrastructures and solutions at ShieldAfrica 2017<em><a href="http://www.shieldafrica.com/">ShieldAfrica</a> was started in 2013 and is a security conference for </em><em>institutional and private operators to meet with companies to promote products and ideas, this years (2017) main theme is Safe Cities, component of Smart Cities, driving investment and economic development to the concept of connected and safer cities. Airbus are turning up to this years exhibition and they are showing off their PMR infrastructures, the <a href="https://www.sourcesecurity.com/product-services/integrated-systems/news/airbus-display-pmr-communications-infrastructures-solutions-shieldafrica-2017-co-5980-ga.22259.html">source of the article is here</a>, but you can read the whole lot below</em> <br><br><img style="float:left;margin:10px;border:none;" src="http://www.armyrecognition.com/images/stories/middle_east/jordan/exhibition/sofex_2016/pictures/Thunder_2_armoured_truck_APC_Cambli_SOFEX_2016_Special_Operations_Forces_Exhibition_Amman_Jordan_640_002.jpg" width="279" /><br><br>To support the economic development of African societies and governments in a challenging security context, Airbus Defence and Space will show its latest radiocommunications technologies at the exhibition âShieldAfricaâ in Abidjan, Ivory Coast, in late January 2017. <br><br>Police, firefighters, and rescue services in Africa are increasingly in demand of more advanced and secured mobile communication tools. âShieldAfricaâ serves as a platform to discuss security applications which require sophisticated Professional Mobile Radio (PMR) technology on the continent. <br><br><strong>Secure communications infrastructures</strong> <br><br><em>âGovernment organisations, such as police and emergency first responder services, need secure communications infrastructures for the whole of their national territory and also for critical sites, such as airports, ports and stadiums,â</em> says Philippe Devos, Head of Strategic Campaigns and Government Affairs of Secure Land Communications at Airbus. <em>âWe can offer the needed communication means in Africa based on our profound experience as a world-leading PMR provider.â</em> <br><br><strong>African security and defence sectors</strong> <br><br>âShieldafricaâ is a key event for the African security and defence sectors and hosts the major players in this field, for instance African governments, the global security and defence industry and representatives of diplomacy. Besides showing newest achievements in mission critical communications, Airbus will also showcase the following solutions: <br><br><ul> <br><br><li><strong>Tetra digital radio systems</strong>associated with modern command and control applications and handheld radios can support effectively shared network deployment models. With these systems at hand, dispatching positions of vehicles or persons can be managed easily by geolocalising Tetra subscribers or groups.</li> <br><br><li>The <strong>Tactilon Agnet</strong>app brings Tetra push-to-talk to an LTE smartphone. It allows users of commercial LTE networks to communicate securely within mission-critical Tetra networks.</li> <br><br><li>The <strong>Tactilon Dabat</strong>, a smartphone and full Tetra radio in one device, enables users, such as police or firefighters, to operate securely with multimedia functions.</li> <br><br></ul> <br><br><strong>Providing interoperability</strong> <br><br>For more than 25 years, Airbus has equipped various governments around the world with resilient PMR communications infrastructures and solutions. The company has a proven track record of nationwide deployments providing interoperability to all security users organisations.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-44062248215426775952017-02-07T10:55:00.001-08:002017-02-07T10:55:06.497-08:00Far offshore windfarms present communications challenges<em>This is <a href="http://www.owjonline.com/news/view,far-offshore-windfarms-present-communications-challenges_44887.htm">an interesting article</a> debating the different types of communication that can be used over a long distance, and as they distance moves further and further, the different types of communication drop off or become part of an infrastructure. As engineers battle with this problem, knowledge of how radio frequencies and applications becomes paramount. </em> <br><br><strong>As offshore windfarms are built further and further from land, alternatives to conventional VHF communications are going to be required</strong> <br><br>A cornerstone of any major project is clear communication between all parties. As we move windfarm construction further offshore, maintaining efficient voice and data communications becomes essential. With many projects now being constructed beyond the range of VHF radio and cellular telephone, such as a Gemini or Dudgeon offshore windfarms, crew transfer vessel (CTV) operators and their clients are experiencing challenges achieving practical and affordable offshore communications. My experience on two far offshore projects in the last 15 months has shown that creative thinking can work together with existing equipment such as TETRA radio to reduce the risks and stress that poor communications can generate. <br><br>Communication solutions on offshore windfarms depend on the phase that the operation is in, the size of the project and the distance from shore. Many smaller, older windfarms rely on VHF radios to communicate between shore and vessel and shore/vessel and work team on the turbines. However, VHF is limited in range being a line-of-sight system, and the signal has trouble penetrating structures such as wind turbines due to the Faraday cage effect. Conventional cellular telephone coverage is also possible on nearshore sites, with some windfarms installing a cellular mast within the windfarm. Vessels at anchor off the Dutch port of IJmuiden can thank the windfarm industry for good connection when waiting for a pilot if they have contracts with the provider KPN. <br><br>When moving further offshore, luxuries such as a cellular mast will not be installed during the construction phase, and it is most likely that VHF radios will not be sufficient. It is common for the developer to install a TETRA radio network â" similar to those used by national emergency response services such as police and fire departments. <br><br><img style="float:left;margin:10px;border:none;" src="http://wordlesstech.com/wp-content/uploads/2011/01/rhode-island-offshore-wind-farm.jpg" width="318" /><br><br>TETRA, or terrestrial trunked radio as it is properly termed, is a secure network allowing one-to-one, one-to-many and many-to-many communications. This means that the marine controller can speak directly and privately to one party or to the entire offshore spread depending on what is needed. It transmits on a lower frequency than VHF so covers a greater range. This still is not enough to cover the distances experienced on far offshore windfarms. If multiple base stations are used, each base station can then automatically rebroadcast a message thus expanding the network coverage. On a recent construction project, it was found that there were communications blackspots in the area of the sea passage from the base port to the site. This was later eliminated by fitting full base station units rather than just handheld transceivers on the CTVs. The CTVs then became vital links in the communications network and ensured the blackspots were reduced or eliminated altogether. <br><br>TETRA has many other advantages, including the ability to penetrate the tower of a wind turbine, and calls are not dropped when moving between base station carriers due to the network configuration. This is especially important if vessel-carried base stations are relaying far offshore. The network is also secure, which ensures that commercially sensitive information cannot be intercepted. With the one-to-one mode, it also means that managers can have detailed conversations on sensitive subjects. <br><br>However, anecdotal information received from vessel crews in the field appear to indicate that TETRA, although a good system, is not foolproof. One vessel master reported that, after 15 months on site, they still had blackspots with TETRA and sometimes have to use the cell phone application WhatsApp to request that turbines be started or stopped so that he can land a team. <br><br>TETRA does not solve the operational problems experienced by vessel-operating companies who require frequent voice and data communication with the CTVs to ensure a smooth delivery of service. As most sites far offshore are outside of cell phone coverage and clients demand that daily reports are issued on time, creativity is needed. There is a simple solution that could solve all of the communication problems far offshore â" installing VSAT satellite communications on each CTV, which allows instant telephone and data transfer. <br><br>However, the practicalities of chartering in todayâs windfarm industry eliminates this option, as the client will not want to pay for installation and operation, and a vessel owner cannot afford such a luxury. Charterers therefore need to make a decision: either they assume responsibility and the costs for practical workable satellite communications on their vessels or look for practical alternative solutions to deliver what is needed far offshore. <br><br>One practical solution to maintain communications between the marine co-ordination centre and vessels is to step back a generation and use medium frequency/high frequency single side band radios, which are common equipment on larger CTVs and is standard on service operation vessels (SOVs) or installation vessels. <br><br>When used in conjunction with the digital selective calling (DSC) function of the GMDSS standard, voice communications can be maintained at long distance without operating cost. Unfortunately, current guidance for the marine co-ordination in windfarms as found in the G9 <em>Good practice guideline:</em> <em>The safe management of small service vessels used in the offshore wind industry</em> does not yet consider marine co-ordination and communications in far offshore windfarms. <br><br>Another practical solution to improve data communication is to install powerful WiFi antennas on the decks of SOVs and other major offshore assets to allow CTVs to have internet access when they are in close proximity. CTVs can then download passenger manifests and weather reports and upload the daily progress report and synchronise planned maintenance and email systems. <br><br>CTVs spend considerable time in close proximity to the SOV during passenger transfer, bunkering or waiting for the next assignment, and it is relatively easy to set up the computers to connect and synchronise without operator input, thus reducing the risk of distraction. SOVs should be designed with space for CTV crews to use as a secure office so that laptops can be left connected to the network. In this way, crews can have two computers and prepare work when on shift, transfer via a data stick and upload when they go off shift. <br><br>One of the most effective tools that we have identified is WhatsApp, which seems to require very low signal strength to connect and transfer brief messages. On recent projects, we have found that most vessel/office communication occurs in this medium, including fault finding and incident reporting and investigation. Crews have found it quicker to video a CCTV system playback and send via WhatsApp than download the CCTV video and send it via a file transfer service. As synchronising an electronic planned maintenance system offshore is very time consuming, our superintendents have taken to sending the worklists via WhatsApp to the vessels who then confirm back with text or images when a job is complete. The superintendent then does the PMS administration from their office with the advantage of high speed network connections. Experience with WhatsApp has led me to believe that agile, low data applications will form part of the future of offshore communication. <br><br>Far offshore projects have moved from planning and dreaming to reality. However, effective and cost-efficient communication solutions have not moved with them. Like most challenges with far offshore windfarms, there is no single solution, but experience has shown that, with creativity and flexibility, projects can communicate with their teams and operators can manage their vessels. <br><br>Better equipment earlier on in the construction phase, such as MF/HF radios in the MCC and on the vessels, TERA base stations on the vessels and open deck WiFi on construction assets will all assist in improving safety and reducing stress while ensuring that unnecessary costs are not incurred.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-76406660951873262842017-01-26T14:15:00.001-08:002017-01-26T14:15:07.953-08:00Offering workers hearing protection options<em>Much Like Protecting your sight or looking after your health, your hearing should also be protected, <a href="http://www.safetyandhealthmagazine.com/articles/14961-offering-workers-hearing-protection-options">this article</a> tackles hearing protection within the workplace and what type of earplugs are best, Enjoy.</em> <br><br>OSHA regulations dictate we offer a âvarietyâ of hearing protectors to noise-exposed workers. What is best practice for providing a variety while keeping inventory to a minimum? <br><br><img style="float:right;margin:10px;border:none;" src="http://upload.wikimedia.org/wikipedia/commons/8/8e/Musicians_earplugs.jpg" width="278" /><br><br>Per CFR 1910.95(i)(3), âEmployees shall be given the opportunity to select their hearing protectors from a variety of suitable hearing protectors provided by the employer.â But does âvariety of suitable hearing protectorsâ mean two or 10, earplugs or earmuffs, different colors or different sizes? <br><br>The wrong approach is to choose a variety based on factors that have no effect on protecting hearing, including the published noise reduction rating. Some safety managers offer several different large foam earplugs that are yellow, green and orange â" mistakenly assuming they meet the âvarietyâ requirement and not realizing that a significant portion of their workforce will never achieve an adequate fit with a large foam earplug. In those cases, their supposed âvarietyâ actually limits the number of workers adequately protected. <br><br>This bad assumption is often codified into company safety policies that require a minimum NRR: âApproved hearing protectors must have an NRR of at least 32 decibels,â or similar criteria. By definition, that typically means a large foam earplug. Despite the higher NRR based on 10 laboratory test subjects, workers with smaller ear canals will never achieve an adequate fit with those large foam earplugs to stop noise-induced hearing loss. <br><br>What are the factors that affect good fit of an earplug? <br><br><ul> <br><br><li><strong>Size: </strong>Like a cork in a bottle, an earplug that is too large or too small will never achieve an acoustic seal to protect hearing. Offering a variety of sizes significantly improves the percentage of employees obtaining a good fit.</li> <br><br><li><strong>Shape: </strong>Ear canal openings may appear round, oval or slit. A foam earplug often fills an oval or slit opening better than pre-molded earplugs.</li> <br><br><li><strong>Ease of insertion: </strong>Some workers have difficulty rolling or inserting foam earplugs due to lack of mobility. For these workers, an earplug with a stem may be easier to insert.</li> <br><br></ul> <br><br>Based on thousands of fit tests administered to workers in the field, the following four earplug styles provide a selection that would adequately protect nearly every worker: <br><br><ul> <br><br><li>Large foam earplug</li> <br><br><li>Smaller foam earplug</li> <br><br><li>Large reusable earplug</li> <br><br><li>Smaller reusable earplug</li> <br><br></ul> <br><br>The good news is that offering a variety does not necessarily increase cost. Buying 1,000 earplugs of one style or 250 earplugs of four different styles is fairly equivalent in cost. But the bigger variety significantly increases the probability that more workers will be adequately protected. <br><br>Many worksites adjust their inventory based on results of their fit-testing of hearing protectors. By reviewing which earplugs repeatedly provide the best fit, these companies identify the gaps or duplications in their offering and can adjust accordingly. Sometimes, this means adding a smaller-size earplug, but many times companies find they can remove some less-effective earplugs from their inventory. Itâs not necessary to carry a dozen different earplug styles. <br><br>Finally, any offering of hearing protection needs a hands-on training component. How can a workers determine whether their ear canal is large or small, round or oval? Itâs impossible to view your own ear canal opening in a mirror. A quick glance by a safety trainer can be of tremendous benefit in helping workers select the right earplug the first time.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-64965675203071474892017-01-23T05:44:00.001-08:002017-01-23T05:44:14.125-08:00What exactly is a walkie talkie headsetA Walkie Talkie is a handheld receiver or portable radio. Walkie talkies come in a pair and they communicate quietly with one another using radio waves, on a single shared frequency band. <br><br>Almost all of us grew up with walkie talkies. As children, and especially before the age of mobile phones and technology, we all had a pair and played with them in our gardens. <br><br>Walkie talkies have made a comeback. Or maybe they never really went out of style but now theyâre sophisticated. <br><br>Each unit is battery powered and has an antenna for sending and receiving <a href="http://www.explainthatstuff.com/radio.html">radio wave message</a>. There is a transmitter / receiver and a loudspeaker. The loudspeaker doubles up as a microphone. There is a button that you push to talk, pretty much the same way that an intercom works. Some more sophisticated walkie talkies have separate loudspeakers and microphones; it just depends on what you need the walkie talkie for. <br><br>Walkie Talkies with noise cancelling headsets <br><br>Technology has changed so much and become so much more sophisticated. In the old days, think of the crackles that came with walkie talkies. It was often very difficult to hear what the other person was saying. But a <a href="https://www.headsetonline.co.uk/">pair of noise cancelling walkie talkie headsets</a> will reduce or remove any unwanted sounds by using active noise control. Note that this is very different from passive headphones which use technique such as soundproofing. Noise cancelling is not <a href="http://www.hometips.com/buying-guides/soundproofing-insulation.html">soundproofing</a>. <br><br>Our worlds are busy and we become bombarded and overwhelmed by everything around us. We need to listen to some things, but we want to cut out others. Noise Cancelling allows us to do this, while still allowing us to listen to the things we want to listen to at the volume we want them. <br><br>Pros of a walkie talkie headset? <br><br>Remember when we used to listen to music really loud so we could block out all the other external noise? You don't need to do this anymore. walkie talkie headsets will block out most excess or excessive sound, or the ones you want blocked out anyway. You can now listen to your music at the volume you want, which does not need to be crazy, and the other external sounds (baby crying, man snoring next to you) will be blocked out anyway. Finally, you can listen to and enjoy music in the way you want to enjoy it, at a natural volume. You can hear the fabulous music, have a rich listening experience, and still not be disturbed by chatter around you. <br><br>Noise cancelling headphones are fabulous for when you travel or commute. You may be the kind of person who gets on a plane and train and chats to everyone around you. But you may be more solitary and want to sit down and zone out. You can do this easily with a walkie talkie headset. The beauty is that on a plane you wonât hear the noise of the aircraft or its passengers, but you will still hear the safety announcements. <br><br>Itâs really easy to work in a noisy environment with noise cancelling headphones. You can focus easily without being disturbed and can make use of any space, productively. You can even go and study your history while at a party or in a restaurant. It is also a good idea to use them at home, while studying for exams or so; they cut out the excess noise and you can focus totally on your work. <br><br>Students used to turn up the volume of their earphones in order to cut out the outside worldâ. But with a walkie talkie headset they are finding it is easier to study when music is at a lower volume and when the outside distractions have been eliminated. <br><br>Cons to noise cancelling headphones? <br><br>There are always cons to everything. Some parents may say they would prefer no headphones at all. They like their children to be available and to engage more and talk more, but we know this is the way of the world. Everyone uses headphones; parents included/ Use them in moderation of course, but still be sociable and take time out in the day, be headphone free, and engage. <br><br>Noise cancelling headphones are not very cheap and are in fact possibly even ten times more expensive than ordinary headphones. However, like anything that costs money, they will last for a long time and are super reliable. They may cost more money but will ultimately give a much better noise-free experience. <br><br>Lots of research has gone into the design of these special noise cancelling headphones. Each set consists of inner components that cancel out the disturbing external sounds. Ordinary headphones do not have these components, i.e., you cannot cut out the outside sounds. It is quite obvious then, why noise cancelling headphones are more expensive. <br><br>These internal components also use up a lot of power. The power can come from internal replaceable batteries or they can be rechargeable. The walkie talkie headset that carry their own power supply means they are heavier than ordinary headphones. Not all sets carry their own power supply. The ones that are rechargeable are lighter, but they can drain the devices they need to plug into for power. <br><br>The quality of sound when using a noise cancelling walkie talkie headset can be compromised. It is unusual though and it is only the most sensitive of ears that would pick this up. There have been very few complaints of a tinny almost mechanical sound, but these complaints are few and far between. <br><br>Not all sounds are blocked out by a walkie talkie headset, although we did mention this under pros as well. It is never possible to cancel out all external sounds, but we still need to be able to hear police sirens, pilot announcements or the high pitched screaming of your next door neighbor. All every day external sounds though are muffled and definitely much quieter, and the sounds that you don't need to hear, are gone.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-80378981368698492512017-01-10T13:05:00.001-08:002017-01-10T13:05:42.537-08:00Army to Launch Another Competition for New Soldier Radio<em>In the modern world the army has to have perfect communications, from coordinating attacks to communicating with other platoons, on the battlefield it really could mean the difference between life and death. <a href="http://www.military.com/daily-news/2016/09/21/army-to-launch-another-competition-for-new-soldier-radio.html">This article</a> plans to find the next Military radio. </em> <br><br><a href="http://www.military.com/army">U.S. Army</a> tactical radio officials plan to launch a competition for a new handheld radio next year that would give soldiers twice the capability of the current Rifleman Radio. <br><br>The Army currently uses the single-channel AN/PRC 154A Rifleman Radio as its soldier handheld data radio. It runs the Soldier Radio Waveform, which small-unit leaders use to download and transmit maps, images and texts to fellow infantry soldiers in a tactical environment. <br><br>If they want to talk to each other, they often rely on another single-channel handheld -- the AN/PRC 148 MultiBand Inter/Intra Team Radio, or MBITR, which runs the Single Channel Ground and Airborne Radio, or SINCGARS, for voice communications. <br><br><img style="float:left;margin:10px;border:none;" src="http://upload.wikimedia.org/wikipedia/commons/8/89/Defense.gov_News_Photo_100707-A-7584M-002_-_U.S._Army_Pfc._Tahir_Abdelmawla_tests_radio_communications_during_an_air_assault_operation_in_Bak_Afghanistan_on_July_7_2010._Abdelmawla_is_a.jpg" width="264" /><br><br>The Army plans to release a request-for-proposal in 2017 for a two-channel radio that will allow soldiers to run the Soldier Radio Waveform, or SRW, for data and SINCGARS for voice on one radio, according to Col. James P. Ross, who runs Project Manager Tactical Radios. <br><br>The change will mean that soldiers will no longer need the 148 MBITR and be able to rely on the new, two-channel radio for both data and voice communications, Ross said. <br><br>"We know industry can meet our requirements. ⦠We know it's achievable," he said. <br><br>The move represents a change in strategy for the Army since the service awarded contracts in 2015 to Harris Corporation and Thales for a next-generation version of the Rifleman Radio. <br><br>"We went out with a competition for the next generation of the [Rifleman Radio]. Two companies, Harris and Thales, competed," Ross said. "We went through testing, and we were on the verge of being able to buy more of them when the Army said, 'Our strategy now is two-channel.' " <br><br>The Army had planned an initial buy of about 4,000 Thales AN/PRC-154B(V)1 radios and Harris AN/PRC-159(V)1 radios, according to Army program documents for fiscal 2015. <br><br>"We will not be taking action on those," Ross said. <br><br>The current Rifleman Radio was developed as part of the Handheld, Manpack, Small Form Fit, or HMS program. HMS radios are designed around the Army's tactical network strategy to create secure tactical networks without the logistical nightmare of a tower-based antenna infrastructure. <br><br>It's also a key part of the Army's Nett Warrior system. It hooks into an Android-based smartphone and gives soldiers in infantry brigade combat teams the ability to send and receive emails, view maps and watch icons on a digital map that represent the locations of their fellow soldiers. The concept came out of the Army's long-gestating Land Warrior program. <br><br>The Army purchased about 21,000 Rifleman Radios under low-rate initial production between 2012 and 2015. <br><br>Army officials maintain that are enough single-channel, handheld radios already produced under the low rate initial production that are sitting waiting to be fielded. The service plans to field another two brigade combat teams per year with the single-channel Rifleman Radios through 2019. <br><br>The Army will conduct testing of two-channel radios in 2017 and early 2018 and then down-select to one or two vendors sometime in 2018, Ross said. Operational testing is scheduled for 2019 and fielding will begin in 2020 if all goes as planned, he added. <br><br>For now, the Army intends to field four BCTs a year with two-channel handheld radios, Ross said. <br><br>Small-unit leaders would then be able to retire the MBITR radio from their kit -- a weight savings of about three pounds, according to Army officials at Program Executive Office Soldier. <br><br>"One thing the PEO Soldier is very passionate about is weight -- driving that weight down that the soldier carries," said Lt. Col. Derek Bird, product manager for Ground Soldier Systems, which helps oversee the Nett Warrior program. <br><br>"If we can cut three pounds off a soldier by taking two radios and shrinking it to one ⦠that is a big deal."<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-38590219306950002512017-01-09T11:52:00.001-08:002017-01-09T11:52:26.882-08:00Why 2 Way Radio is Great For Your CompanyEffective communication is crucial to the success of any business. Poor communication can easily lead to the collapse of any business regardless of size. If youâre running a huge business where keeping in touch with your staff is important, then you must put in place a very efficient communication system. A system that is not only efficient but also cost effective. These two factors are the reason 2 way radios are popular with modern businesses. A 2 way radio is a communication device that can both <a href="http://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy/physics/challenge-transmit-and-receive-signal">transmit and receive signal</a>. It allows users using the same frequency to have a conversation at minimal or zero cost. <br><br>Why you should consider using a 2 way radio for your business <br><br><img src="http://www.trustedtelecoms.com/wp-content/uploads/2016/09/1-Aerial-Business-Communications-768x514.jpg" width="377" /><br><br>There are numerous benefits that a business will enjoy by making a 2 way radio its choice of communication. First, the radio provides a platform where you can conveniently keep in touch with your staff anytime you want. If you are the manager and the firm has several departments where you cannot physically access the staff, then this is the perfect device for you. Second, itâs easy to manage, unlike <a href="http://www.androidauthority.com/contract-vs-no-contract-pros-cons-387132/">mobile phones that rely on the service providers</a>. With radio system, you manage it from your premises. <br><br>The fact that a 2 way radio can only receive and send information at a set frequency improves your business' safety. You can keep the frequency a secret such that only certified individuals can access crucial information. The radio also allows you to create several channels for specific groups. This option allows you to call individual groups whenever the need arises. For example, if the information is meant for security department, it will not be necessary to have it broadcasted to other groups. <br><br>Its broad geographical coverage is another reason you should have this communication gadget. If your business <a href="https://en.wikipedia.org/wiki/Shortwave_radio">Covers a vast geographic area</a> such as a farm or a construction site, this is the perfect mode of communication to employ. It can also be an effective security monitoring system if it's well managed and utilized. Combining this system with GPS and the CCTV can significantly improve matters of security for your business. <br><br>But who can use the 2 way radio system? <br><br>A 2 way radio is one of the most user friend and flexible communication gadgets. Any firm can use it regardless of size. The radio is indeed the perfect model for a business that is struggling with geographical coverage challenges. It is ideal for shift workers, security staff, production line inspectors, farm workers, construction sites, shop watch and the list is endless. Anyone can use it. It only requires a little bit training on how to receive or to send a signal, and the user will be good to go. <br><br>Advantages of 2 way radios <br><br>One thing that stands out from this system is the reduced cost of communication- the cost is almost zero-rated compared to the other systems such as mobile phones. <a href="https://www.2wayradionline.co.uk">A 2 way radio is also very simple to use</a> since you simply press the button to start talking. This speed can be crucial in cases of emergency compared to mobile phones where you will be needed to dial several buttons to make a call. <br><br>With this radio system, you can talk to multiple users at once- this is not possible with mobile phones. The gadget is built to military specs -the radio can be used in wet conditions and can withstand even a drop on the concrete surface. 2 way radio is one of the devices that can work in all areas of your business where mobile phones donât work. The last but not the list of the advantage is that the radio stays on site, and thus different shifts can conveniently share it. <br><br>Key questions before installing a 2 way radio system <br><br>There are several questions that you must get clear answers to before you install a 2 way radio system. First, the area that the radio system is going to be used must be known. This will determine the power of the transmitter needed to cover that area. The number of people projected to use the radios should be the next question. The answer gives the number of radios required. The last question should be your budget. You must purchase what you can afford without compromising on the quality. With these questions answered, then you can have the most efficient 2 way radio communication system for your business.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-77050127563618041632017-01-01T00:34:00.001-08:002017-01-01T00:34:15.612-08:00Hytera launches new DMR handheld radio<em>Hytera have a wide range of radios in their catalogue now, and this is a new addition. The PD98X is for the professional communicator, a radio that has more added extras than a lot of smart phones. A couple of questions we would like to ask are:</em> <br><br><em>What will the price be?</em> <br><br><em>Can I use my current <a href="http://www.earpieceonline.co.uk/133-hytera-earpiece">Hytera earpiece</a> with this radio?</em> <br><br><em>And when will this be available?</em> <br><br><em>But this does seem to be a nice addition to the Hytera range and we canât wait to try it out.</em> <br><br>Hytera, a leading solution provider of professional mobile radio communications, has launched its latest digital mobile radio (DMR) handheld PD98X, adding another strong member to its top-notch DMR portfolio. <br><br>PD98X offers an exceptional audio experience through noise cancellation technology, while boasting new features including full duplex calls, recording capability via Micro SD, Bluetooth 4.0 for audio or data and single frequency repeater mode to increase coverage, said a statement from the company. <br><br>GS Kok, senior vice president of Hytera, said: âWe are proud to announce the launch of PD98X.â <br><br>âA series of cutting-edge innovations and designs have been added into this new model to make it a full-featured radio to satisfy customers' increasing demand for functionality and user experience,â he said. <br><br>The addition of the PD985 positions Hytera with the most complete DMR radio portfolio to meet diversified requirements, from simple, reliable and cost-effective handsets (PD3 and PD4 series) to rugged and feature-rich solutions (PD5 and PD6 series), up to the high-end, professional system radios (PD7, PD9 and X1 series), it said. <br><br>The key advanced features of PD98X include: <br><br>â¢Full Duplex Call <br><br>PD98X enables frontline personnel to make telephony calls between other PD98X and telephones or mobile phones. <br><br>â¢Single Frequency Repeater Mode <br><br><img style="float:right;margin:10px;border:none;" src="http://mms.businesswire.com/media/20160829006101/en/541642/4/Hytera_Launches_Latest_DMR_Handheld_Radio_PD98X.jpg" width="400" /><br><br>Based on interference cancellation technology, PD98X is able to use one slot to receive a signal and another to transmit it in the same frequency using DMO mode to extend the communication distance. <br><br>â¢Built-in Bluetooth 4.0 <br><br>With integrated Bluetooth 4.0, PD98X supports both audio transmit and programming via Bluetooth. <br><br>â¢Noise Cancellation and 2.5W Audio Output <br><br>Maximum 2.5W output speaker and new noise cancelling technology ensure clear and loud voice communication. <br><br>â¢IP68 Protection <br><br>PD98X complies with the highest dust and waterproof standards, to confront the harshest environments. The radio continues to function after submersion down to 2 meters for up to four hours. <br><br>â¢Smart Battery <br><br>This feature makes it easier to monitor the battery status, such as battery life time and charging time, reducing charging time dramatically. <br><br>â¢Audio Recording via Micro SD Card <br><br>PD98X supports up to a 32GB Micro SD card, to record up to 576 hours digital/analog audio. <br><br>The whole portfolio offers display and non-display, GPS and non-GPS, UHF and VHF versions, allowing customers to select the best handset for their daily operation and mission-critical scenarios, <br><br>Source - <a href="http://www.tradearabia.com/news/IND_312771.html">http://www.tradearabia.com/news/IND_312771.html</a><br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-82100939363997210522016-12-01T09:28:00.001-08:002016-12-01T09:28:37.669-08:00LeBlanc: Protect your hearing it is irreplaceable<em>This is an <a href="http://www.yourhoustonnews.com/courier/sports/leblanc-protect-your-hearing-it-is-irreplaceable/article_dedaebe2-cb56-543a-b37f-bd838917b0ff.html">excellent story</a> about how hearing protection is sometimes be essential, and when youâre on the shooting range it has to be vital. But it is important to get the right set of headphones that will protect your hearing sufficiently. Lessons can be learnt from this excellent case study.</em> <br><br>There is no doubt that we all take our senses of sight, smell, and hearing for granted as long as we are strong and healthy and everything is working well. When we are young we tend to believe that we are indestructible and readily adopt the idea that âit will never happen to me.â Consequently, we can develop some bad habits and be a little loose when it comes to preventative measures for almost anything. <br><br>I know because that was my attitude at thirty years old when my eye doctor made a comment in passing that my eyes were perfect, but the chances are I would be needing reading glasses by the time I was 50. I scoffed, but you could almost have set your watch by it because by the time I was in my late 40âs my arms started to get shorter when it came to reading, tying on fishing lures and other things that required scrutiny up close. At 50 I was wearing reading glasses. <br><br>Growing up I never bothered too much about wearing ear protection. When I was plinking it was with a .22 rifle that only put out a little noise if you were the shooter so the thought of hearing protections seemed ludicrous. When hunting I do not know if I have ever heard my firearm discharge and beside that unless I was dove hunting I seldom shot too many shots anyway. <br><br>The change of heart came when I started shooting on an indoor range, while in the Air Force. I noticed after shooting a few rounds with my .22 caliber, Ruger Single Six that my ears would ring for a while afterward. One night a grizzled old Master Sargent suggested I wear ear protectors or take a chance of damaging my hearing. I took the recommendation to heart and have been wearing them ever since. The result has been that after many years of shooting .22âs, large caliber handguns, rifles and shotguns my hearing is still intact and working well. <br><br>Shooting is not the only activity that can cause hearing problem as any loud noise can damage your hearing. The intense vibration caused by loud noises can injure or destroy the hair cells inside the cochlea, so they no longer function to transmit nerve impulses to the brain. If that happens, you will experience hearing changes. <br><br>Hearing protection is needed anytime one is exposed to sounds above 80 decibels (dB). Normal human conversation runs about 30 to 35 dB. At its peak level, the sound of a 12-gauge shotgun is about 140 dB. 9mm runs around 159 dB and a .38 special with a six-inch barrel is about 156 dB, a .22 LR pistol with the same length barrel 140, an M-16 is about 154, a .45 ACP pistol is 155, and a .357 Magnum revolver is 164. All of them are around double the safe sound level. Just to be on the safe side I used to wear muff type hearing protectors and usually ear plugs also when on the range. <br><br>For range use today there is an array of muff style hearing protectors. The new style that I now use have not only hearing protection, but also hearing enhancement. The controls on each ear can be tuned to match your individual optimum hearing and increase the volume up to eight times normal. So when the range master gives a command or when you are speaking with a companion on the shooting line you can speak in a normal voice and hear them as well or better than without the power muffs. Yet when you shoot the sound activated compression circuit reduces the sound from the shot to a noise reduction rate of 24dB. <br><br>This is very important on a shooting range because I have missed range commands in the past from the range master simply because I could not hear them through my hearing protection. <br><br>The new muffs I use are from Walkerâs but they offer many other styles in their Game Ear series. These are unlike the muff style protectors as the bulk of the unit fits behind your ear with an earpiece that fits inside your ear, the unit weighs less than one fourth of an ounce and can be used with or without glasses. These too can be fine-tuned to your specific hearing, allow you to turn the volume up to magnify sounds from five to seven times and still reduce the sound of the shots to a rating of 29dB. <br><br>The ability to custom tune the devise to your hearing as well as adjust the volume up on these models will enable the hunter to more readily pickup games sounds in the woods. Sounds like a squirrel jumping through the trees or when their belly slaps a tree when they jump from one to another. It will help the hunter pick up the minutest sound of a deer brushing by limbs or the whisper of them walking through leaves or disturbing a rock. <br><br><img style="float:right;margin:10px;border:none;" src="http://www.crystalhearinguk.co.uk/images/hearing_protection/cens-pro-flex.jpg" width="322" /><br><br>So now there is really no acceptable reason not to wear hearing protector and if you get a good set it may even enhance your chances of bagging some more game.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-72967421565530106432016-11-29T15:18:00.001-08:002016-11-29T15:18:43.313-08:00London Gatwick Airport deploys new radio system from Motorola Solutions<em>Back in the day, around 2006, the Heathrow and Gatwick radio systems were the envy of many, many businesses, a cutting-edge Motorola analogue trunking system with individual and group setup, that could broadcast messages out across the site or talk to individual radios, something that is taken for granted these days with our digital systems. The Gatwick system has been upgraded and been given the digital touch.</em> <br><br>US-based Motorola Solutions, along with its authorised channel partner Servicom, has debuted its new digital mobile radio (DMR) system, Mototrbo Capacity Max, at London Gatwick Airport. <br><br>Designed to provide enhanced voice and data communications, the newly installed system connects 1,300 people in the airport's airside and groundside teams. <br><br>2260)(c:0).jpg" width="333" /><br><br>Mototrbo Capacity Max will also double the capacity of Gatwickâs current analogue network. <br><br>Various applications, such as TRBOnet PLUS and iBeacon, were given along with Mototrbo Capacity Max to improve its data performance. <br><br>TRBOnet PLUS is a dispatcher application that allows voice recording, mapping and event logging in the control room, while the iBeacon indoor positioning application sends alerts to individual radios based on location. <br><br>Gatwick Airport IT project manager Simon Telling said: âWe chose Motorola Solutionsâ Mototrbo Capacity Max system not only for how resilient and secure it is, but because of the flexibility it offers us now and into the future. <br><br>âWe have experienced significant growth over the past decade and we are now approaching the limits of our previous analogue system. <br><br>âMigrating to scalable, digital communications will double our capacity and bring new capabilities that will help us improve efficiency and safety for staff, retail partners and passengers across the airport.â <br><br>The new Motorola solution will also enable Gatwickâs central controllers to send off the closest employee to an incident, saving time. <br><br>The airport recorded more than 4.6 million in passenger traffic in July. <br><br><em>Source - <a href="http://www.airport-technology.com/news/newslondon-gatwick-airport-deploys-new-radio-system-from-motorola-solutions-5021249">http://www.airport-technology.com/news/newslondon-gatwick-airport-deploys-new-radio-system-from-motorola-solutions-5021249</a></em><br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-5054984596290552102016-11-29T10:57:00.001-08:002016-11-29T10:57:03.271-08:00A giant solar storm nearly triggered a nuclear war in 1967<em>We all know how important radio communications are and at a time before the internet and even digital communications, governments relied on RF communications that were susceptible to the suns solar storms, if you add that to the cold war nuclear tensions then we could all be living in holes now.</em> <br><br><img style="float:left;margin:10px;border:none;" src="http://i.dailymail.co.uk/i/pix/2016/02/22/06/316BC77F00000578-3457858-Test_launch_The_unarmed_Minuteman3_missile_was_launched_from_a_b-a-5_1456122032895.jpg" width="360" /><br><br>Cold War history is <a href="http://www.businessinsider.com/tribeca-bomb-documentary-movie-2016-4">rife with close calls</a> that nearly led to nuclear holocaust. <br><br>In September 1983, for example, sunlight reflecting off a patch of clouds fooled a Soviet missile-warning system into detecting the launch of five US intercontinental ballistic missiles that never were. A wary colonel in a bunker ignored the alarm on <a href="http://www.bbc.com/news/world-europe-24280831">a 50/50 hunch</a>. <br><br>Two months later, US forces staged "Able Archer 83" â" a massive nuclear-strike drill on the doorstep of the USSR. Soviet commanders panicked at the show of force and nearly bathed America in thermonuclear energy. Once again, an act of human doubt <a href="http://nsarchive.gwu.edu/nukevault/ebb533-The-Able-Archer-War-Scare-Declassified-PFIAB-Report-Released/">saved the planet</a>. <br><br>Now scientists have one more hair-raising event to add to the books: <a href="http://onlinelibrary.wiley.com/doi/10.1002/2016SW001423/abstract">The "Great Storm" of May 1967</a>. <br><br>"The storm made its initial mark with a colossal solar radio burst causing radio interference ... and near-simultaneous disruptions of dayside radio communication," a group of atmospheric scientists and military weather service personnel wrote in a new study, published August 9 in the journal<a href="http://onlinelibrary.wiley.com/doi/10.1002/2016SW001423/abstract">Space Weather</a>. <br><br>Hours later, high frequency communications dropped out near <a href="http://www.businessinsider.com/project-iceworm-toxic-nuclear-waste-2016-8">US military installations in and near the Arctic</a> â" one of the closest places to station nuclear weapons and launch them at a Cold War-era Soviet Union. <br><br>"Such an intense, never-before-observed solar radio burst was interpreted as jamming," the study authors wrote. "Cold War military commanders viewed full scale jamming of surveillance sensors as a potential act of war." <br><br><strong>A 'Great Storm'</strong> <br><br>Earth's magnetic field protects life on the planet by corralling the sun's high-energy particles toward the planet's polar regions. <br><br>If the sun happens to launch a cloud of solar particles directly toward Earth during a violent outburst, called a coronal mass ejection, it can trigger <a href="http://www.businessinsider.com/solar-storm-effects-electronics-energy-grid-2016-3">powerful geomagnetic storms</a>. <br><br>This not only leads to beautiful auroras, but can also scramble wireless communications and disrupt radar systems. <br><br>While The Washington Post wrote up a story about the storm as "<a href="http://www.astronomycafe.net/SolarStorms/NewsPapers/1967a.pdf" data-rapid_p="8">City Gets Rare Look at Northern Lights</a>," top US military commanders sounded the alarms in secret. <br><br>The Air Weather Service (AWS) â" a relatively new branch of the Air Force â" had warned military leadership about the possibility of a solar storm, but US commanders believed the Soviet forces were jamming <a href="http://www.norad.mil/About-NORAD/" data-rapid_p="9">NORAD</a> systems designed to detect threatening planes and missiles. <br><br>As the Strategic Air Command warmed up the engines of bombers and taxied toward the runway, the decision to go airborne may have been kicked all the way up to the "highest levels of government," possibly involving President Lyndon B. Johnson. <br><br>"Just in time, military space weather forecasters conveyed information about the solar storm's potential to disrupt radar and radio communications," according to a <a href="http://www.eurekalert.org/pub_releases/2016-08/agu-1ss080916.php" data-rapid_p="10">press release from the American Geophysical Union</a>. "The planes remained on the ground and the U.S. avoided a potential nuclear weapon exchange with the Soviet Union." <br><br>And this all happened at the peak of nuclear armament â" when a <a href="https://www.brookings.edu/articles/50-facts-about-u-s-nuclear-weapons-today/" data-rapid_p="11">record 31,255 nuclear weapons were deployed</a> around the world. (Today there are roughly 7,200 <a href="http://www.businessinsider.com/atomic-hydrogen-bombs-difference-2016-1" data-rapid_p="12">nuclear armaments</a> at hand.) <br><br>"Had it not been for the fact that we had invested very early on in solar and geomagnetic storm observations and forecasting, the impact [of the storm] likely would have been much greater," study leader and UCAR atmospheric scientist Delores Knipp said in the release. <br><br>After the near miss, the researchers say the military learned to listen to its space weather forecasters, improve its abilities to see another looming "Great Storm," and avert the first and perhaps final global nuclear exchange. <br><br> <br><br>Find the original <a href="https://uk.finance.yahoo.com/news/giant-solar-storm-nearly-triggered-192140309.html">source here</a><br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-65896904372635302882016-11-29T10:25:00.001-08:002016-11-29T10:25:04.345-08:00A giant solar storm nearly triggered a nuclear war in 1967<em>We all know how important radio communications are and at a time before the internet and even digital communications, governments relied on RF communications that were susceptible to the suns solar storms, if you add that to the cold war nuclear tensions then we could all be living in holes now.</em> <br><br>Cold War history is <a href="http://www.businessinsider.com/tribeca-bomb-documentary-movie-2016-4">rife with close calls</a> that nearly led to nuclear holocaust. <br><br>In September 1983, for example, sunlight reflecting off a patch of clouds fooled a Soviet missile-warning system into detecting the launch of five US intercontinental ballistic missiles that never were. A wary colonel in a bunker ignored the alarm on <a href="http://www.bbc.com/news/world-europe-24280831">a 50/50 hunch</a>. <br><br>Two months later, US forces staged "Able Archer 83" â" a massive nuclear-strike drill on the doorstep of the USSR. Soviet commanders panicked at the show of force and nearly bathed America in thermonuclear energy. Once again, an act of human doubt <a href="http://nsarchive.gwu.edu/nukevault/ebb533-The-Able-Archer-War-Scare-Declassified-PFIAB-Report-Released/">saved the planet</a>. <br><br><img style="float:right;margin:10px;border:none;" src="http://i.dailymail.co.uk/i/pix/2012/04/19/article-2131628-12A9CDEA000005DC-518_634x720.jpg" width="317" /><br><br>Now scientists have one more hair-raising event to add to the books: <a href="http://onlinelibrary.wiley.com/doi/10.1002/2016SW001423/abstract">The "Great Storm" of May 1967</a>. <br><br>"The storm made its initial mark with a colossal solar radio burst causing radio interference ... and near-simultaneous disruptions of dayside radio communication," a group of atmospheric scientists and military weather service personnel wrote in a new study, published August 9 in the journal<a href="http://onlinelibrary.wiley.com/doi/10.1002/2016SW001423/abstract">Space Weather</a>. <br><br>Hours later, high frequency communications dropped out near <a href="http://www.businessinsider.com/project-iceworm-toxic-nuclear-waste-2016-8">US military installations in and near the Arctic</a> â" one of the closest places to station nuclear weapons and launch them at a Cold War-era Soviet Union. <br><br>"Such an intense, never-before-observed solar radio burst was interpreted as jamming," the study authors wrote. "Cold War military commanders viewed full scale jamming of surveillance sensors as a potential act of war." <br><br><strong>A 'Great Storm'</strong> <br><br>Earth's magnetic field protects life on the planet by corralling the sun's high-energy particles toward the planet's polar regions. <br><br>If the sun happens to launch a cloud of solar particles directly toward Earth during a violent outburst, called a coronal mass ejection, it can trigger <a href="http://www.businessinsider.com/solar-storm-effects-electronics-energy-grid-2016-3">powerful geomagnetic storms</a>. <br><br>This not only leads to beautiful auroras, but can also scramble wireless communications and disrupt radar systems. <br><br>While The Washington Post wrote up a story about the storm as "<a href="http://www.astronomycafe.net/SolarStorms/NewsPapers/1967a.pdf" data-rapid_p="8">City Gets Rare Look at Northern Lights</a>," top US military commanders sounded the alarms in secret. <br><br>The Air Weather Service (AWS) â" a relatively new branch of the Air Force â" had warned military leadership about the possibility of a solar storm, but US commanders believed the Soviet forces were jamming <a href="http://www.norad.mil/About-NORAD/" data-rapid_p="9">NORAD</a> systems designed to detect threatening planes and missiles. <br><br>As the Strategic Air Command warmed up the engines of bombers and taxied toward the runway, the decision to go airborne may have been kicked all the way up to the "highest levels of government," possibly involving President Lyndon B. Johnson. <br><br>"Just in time, military space weather forecasters conveyed information about the solar storm's potential to disrupt radar and radio communications," according to a <a href="http://www.eurekalert.org/pub_releases/2016-08/agu-1ss080916.php" data-rapid_p="10">press release from the American Geophysical Union</a>. "The planes remained on the ground and the U.S. avoided a potential nuclear weapon exchange with the Soviet Union." <br><br>And this all happened at the peak of nuclear armament â" when a <a href="https://www.brookings.edu/articles/50-facts-about-u-s-nuclear-weapons-today/" data-rapid_p="11">record 31,255 nuclear weapons were deployed</a> around the world. (Today there are roughly 7,200 <a href="http://www.businessinsider.com/atomic-hydrogen-bombs-difference-2016-1" data-rapid_p="12">nuclear armaments</a> at hand.) <br><br>"Had it not been for the fact that we had invested very early on in solar and geomagnetic storm observations and forecasting, the impact [of the storm] likely would have been much greater," study leader and UCAR atmospheric scientist Delores Knipp said in the release. <br><br>After the near miss, the researchers say the military learned to listen to its space weather forecasters, improve its abilities to see another looming "Great Storm," and avert the first and perhaps final global nuclear exchange. <br><br> <br><br>Find the original <a href="https://uk.finance.yahoo.com/news/giant-solar-storm-nearly-triggered-192140309.html">source here</a><br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-78323514068245961972016-11-14T07:06:00.001-08:002016-11-14T07:06:42.120-08:00Icom America announces new series of NXDN IDAS mobiles and portables<em>The new range of Icom Radios, the 3400 and 4400 range. With a new colour screen and an SD card slot. Icom really are making strides in the radio market, We just hope that they keep the same connection types, so we can use our <a href="http://www.earpieceonline.co.uk/100-icom-earpiece">icom earpieces</a>.</em> <br><br>Icom America recently showcased a new series of multi-mode UHF/VHF NXDN IDAS radios that are designed to provide users with a flexible feature set and an enhanced user interface. <br><br>âItâs firmware upgradeable and licensed for different features,â Mark Behrends, senior manager of strategic sales at Icom America, said during an interview at the companyâs booth during APCO 2016 in Orlando. âSo, you pay for the basic radio, and you license up for the features that you want.â <br><br>While the next-generation IDAS radiosâ"the 3400 series for VHF portables, 4400 for UHF portables, 5400 for VHF mobiles and 6400 for UHF mobilesâ"continue to operate on the VHF/UHF bands with slightly more spectral range than previous models, this new series features a color screen, a âreally intuitiveâ interface and greater software-upgrade flexibility, Behrends said. <br><br>âWhat it really changes is the user interface and the usability of the radio,â he said. âSo, you can have conventional standard, or you can license up for Type D trunking or Type C trunking.â <br><br>Programming the radios can be accomplished via Bluetooth, a USB port and Icomâs standard connections, Behrends said. The Bluetooth functionality allows the radios to work with myriad accessories and third-party applications, he said. <br><br><img src="http://www.icomamerica.com/en/media_events/Wallpapers/IDASRadios/IDAS_IcomLogo/1600x1200_IDAS.jpg" width="301" /><br><br>Behrends noted that the new radios support secure-digital (SD) cards, which enable additional flexibility for users. <br><br>âAn SD card is pretty handyâ"you can record on it, you can capture GPS waypoints on it, you can program ICFS files and add new firmware through the SD card,â Behrends said. <br><br>Icom America expects this series of radios to be available this fall, after the products complete FCC testing, according to Behrends. Pricing will differ based on the type of screen included, but it generally will be comparable to Icomâs âhigher-end IDAS product,â he said. <br><br><a href="http://urgentcomm.com/icom/icom-america-announces-new-series-nxdn-idas-mobiles-and-portables">http://urgentcomm.com/icom/icom-america-announces-new-series-nxdn-idas-mobiles-and-portables</a><br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-49735072496953022212016-11-14T04:35:00.001-08:002016-11-14T04:35:53.635-08:00what to look for when Purchasing earphonesClosed Back Headphones vs. Open-back Headphones <br><br>Open-back headphones have pads which rest on the outer ear. They're designed such that the outer shell of the ear cup has perforations usually with horizontal cutouts. The Open back headphones design of the ear cup enhances better natural sound because of less coloration as compared to the Closed back headphones. <br><br>Closed back headphones have much larger earpads which encircle the ears. They are designed such that there's a big pad which cups the ears, and it features an insulated outer shell of plastic which covers the ears. The Closed back headphones actually have a very solid outer shell which doesn't have any sort of perforations such that the outer shell effectively cups/encircles the entire ear. The Closed back headphones are excellent at isolating noise. They block most of the ambient noise, but they've a smaller sound stage, which gives the user the perception that the audio/sound is originating from within their head. Closed back headphones also tend to produce much stronger low frequencies as compared to Open back headphones. <br><br>Low Impedance vs High Impedance <br><br>Headphones normally come in various <a href="http://www.cnet.com/news/headphone-buyers-heres-what-you-need-to-know-about-low-vs-high-impedance-models/">different impedance levels</a>, such as 8 ohms, 16 ohms and 32 ohms. The power that's supplied by an audio source may be at varying levels because of a variety of factors including being limited because of being battery powered. Generally, as the impedance of the headphones increases, much more voltage will be required in order to drive it, and the audio loudness of headphones for a particular voltage decreases. <br><br>The determination of impedance is usually disregarded by many headphone buyers, however, the truth is it's one of the most important factors to consider when choosing the best headphones for your particular needs. Impedance is basically just how much power the headphones can put out so that it can overcome resistance to move the headphones' diaphragm. <br><br><img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjR7PjfarnR52QKnwZXpnDRSoK5vHezo6-5UxXx8qW_XN-yIbC3h5jfM6m83kVd3j6JIl_Ji76EnrasxTSNYN7x4xACvld0Tt7YZU1Lfe375G9Q7YSw2VfQWBVD7r6cXfLnyVOs76cwmQc/s1600/TRON+Headphones.jpg" width="298" /><br><br>Low impedance headphones (that is, less than 25 ohm), usually require little power in order to deliver high audio levels. Low Impedance headphones play well with devices which have weak amplification. These can include; mobile phones, portable music players and various other portable devices. This type of headphones can be used at home and also while jogging with your mobile phone; this is one of the reasons why most of the on-, in-, and over the ear headphones, are low impedance. Low impedance headphones are normally designed to get plugged directly in to a single (one) source, and generates sound more efficiently from a lower level input signal. This headphones tend to be much louder and much more efficient, however, they will also require a much more capable amplifier. <br><br>High impedance headphones (25 ohms and above), generally require more power in order to deliver high audio levels. As a result, they're protected from damages caused by overloading. High impedance headphones are typically designed for studio like applications where there might be multiple phones/devices wired in parallel and receiving input signals from a single source. High impedance headphones are more tolerant of the amplifier limitations, however, they will produce less volume for a particular output level. They are also a little more durable (that is, electronically), however, they require much higher signal levels in order to produce the same level of output level of the low impedance headphones. <a href="https://www.headsetonline.co.uk/">This type of headphones can be used with a wider range of audio equipment</a> . <br><br>Passive Headphones vs. Active Headphones <br><br>Passive (noise cancelling) headphones are made of materials which help in blocking out sound waves from the <a href="http://www.apartmenttherapy.com/passive-vs-active-noise-cancelling-headphones-165644">surrounding environment</a>. The same way ear muffs soften the outside noise, so does this type of headphones employ passive noise canceling. This type of headphones are typically used for both professional mixing and monitoring, like in broadcast and recording studios, and such other applications. Passive headphones are basically designed to playback music/audio true to the actual original recording, with minimal, compression, EQ, and such other sound enhancements. <br><br>On the other hand, Active headphones use batteries in order to power the built in Digital Signal Processing (also abbreviated as DSP) technology which processes play back for a particular reason, for example, to enhance the bass and the high end. Due to the enhancement of playbacks with sharper high ends and more bass, active headphones are more popular for general listening and listening to music for pleasure. Active noise cancelling headphones are also made of materials which help in blocking out outside noise, however, they take things a step further by making their very own sound waves; the sound waves created mimic the outside noises, but are a mirror image of each other, thus cancels each other out. <br><br>Wired Headphones Vs Wireless Headphones <br><br>When choosing a <a href="http://www.makeuseof.com/tag/buying-wireless-headphones-here-are-6-things-you-need-to-know/">pair of headphones</a>, deciding between wireless vs. wired is among one of the most overlooked factors. Wireless headphones might be a more popular choice, however, the wired headphones also have their own set of benefits. Well, that being said, as a general rule of thumb, between wireless headphones and wired headphones, assuming a similar price between the models; the wired headphones usually offer a much better quality. Also, the audio quality may get compromised over Bluetooth. <br><br>You can opt for the wireless headphones if you are not much of an audiophile, and you tend to travel a lot. If you really don't like getting the cables of your headphones getting tangled, or caught while listening to music/audio, then the choice should be rather simple; go for wireless headphones. <br><br>You can opt for the wired headphones if you are an audiophile, and you do not necessarily bother with the wireless options unless absolutely essential like using them when traveling, or keeping the headphones as a backup. As aforementioned, the wired headphones are way ahead in terms of <a href="http://www.techradar.com/news/audio/portable-audio/best-noise-cancelling-headphones-1280490">output quality as compared to the wireless headphones</a>. You will never have to worry about running out of batteries, unless you happen to opt for wired headphones which cancel noise. In addition, you will never suffer from interference from the other commonly used wireless electronic devices. However, you will need to take good care of the wired headphone cables, or they will eventually break.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-6846158537197306572016-10-07T18:34:00.001-07:002016-10-07T18:34:43.550-07:00Motorola Solutions announces new mobile radio, enhancements to its P25 platform<em>Motorola Solutions are busy re-modelling their business at the moment and are under pressure from many other radio manufacturers, that are stealing away their market share. They are moving towards creating equipment that can use the LTE, essentially competing with the mobile phone market. This will be seen by many as a move away from the essence of two way radios, but it is an inevitable progression. This new radio will use current <a href="http://www.earpieceonline.co.uk/98-motorola-earpiece">motorola accessories</a>, chargers and batteries. We brought you this article from the <a href="http://urgentcomm.com/motorola-solutions/motorola-solutions-announces-new-mobile-radio-enhancements-its-p25-platform">urgentcomms websites</a></em> <br><br><span class="keyword_link"><a title="More on Motorola Solutions" href="http://urgentcomm.com/companies/motorola-solutions?intlink=autlink">Motorola Solutions</a></span> today will unveil a new <span class="keyword_link"><a title="More on Project 25" href="http://urgentcomm.com/technology/land-mobile-radio/p25?intlink=autlink">P25</a></span> mobile radio that operates on its ASTRO 25 systems and will highlight key features enabled by the 7.17 release of ASTRO 25 software today at <span class="keyword_link"><a title="More on APCO" href="http://urgentcomm.com/organizations/apco?intlink=autlink">APCO</a></span> 2016. <br><br>One of the key features of the APX 8500 all-band mobile radio is its ability to leverage <span class="keyword_link"><a title="More on LTE" href="http://urgentcomm.com/technology/long-term-evolution?intlink=autlink">LTE</a></span> connectivity from a VML750 modem installed in the public-safety vehicle, if the ASTRO 25 data capability is interrupted by continuous voice transmissions during a busy incident, according to Anatoly Delm, Motorola Solutionsâ director of global infrastructure marketing. <br><br>âLetâs say that you have a major incident, everybodyâs talking all the time and the ASTRO network is being used all the time, it can [offload] some of the data communications, like GPS, to broadbandâ"public-safety LTE or commercial LTE, depending on what the modem is operating on,â Delm said during an interview with <em><span class="keyword_link"><a title="More on IWCE" href="http://urgentcomm.com/organizations/iwce?intlink=autlink">IWCE</a></span>âs Urgent Communications</em>. <br><br>âSo, youâve got this combination of the best of both worlds, where your voice communications are continuing over the ASTRO network, and your data communicationsâ"if the ASTRO network is too busy, because of a major incidentâ"can be carried on by an LTE network from the same car.â <br><br>Meanwhile, the 7.17 release of ASTRO 25 software will provide system users and operators with features that are designed to improve the reliability and usability of the P25 network, Delm said. <br><br><img src="http://www.radioreference.com/apps/classifieds/data/11/DSC_0951.JPG" width="300" /><br><br>One enhancement is a more efficient way to execute over-the-air software updates, Delm said. <br><br>âOrdinarily, what happens is that the software update has to travel to one radio at a time. If youâve got a large enough fleet, it could take days or possibly weeks [to complete the software update for all radios],â he said. âIn this case, the software is being continuously broadcast, kind of like on repeat. In the meantime, all of the radios continue to function as normalâ"you can talk on them, and none of the functions are disrupted. <br><br>âOnce a radio has received all of the packets that it needs, it can then give the user the [a notification] that the update is ready and asks whether the user wants to install it. If they say âYes,â then the radio is updated. This means you can reduce your update time to maybe a few hours, depending on the size of your fleet. But you certainly donât have to do it one at a time.â <br><br>Other new capabilities included in the latest ASTRO 25 software release include personnel accountabilityâ"often used for roll-call functionality on a fireground or other incident sceneâ"over trunked systems, Delm said. Previously, this capability existed only in conventional mode.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-36115756873695251542016-06-09T15:08:00.001-07:002016-06-09T15:08:21.895-07:00Extreme conditions no match for latest motorola solutions radio<em>We all know that Motorola produce the best two way radios and claim to be best in class, that can be backed up, by just using their products. This article (<a href="http://www.yourcommunicationnews.com/extreme+conditions+no+match+for+latest+motorola+solutions+radio_128824.html">original can be found here</a>) focuses on radios for the fire service, but as we all know they are well adapted for the police, ambulance and search and rescue teams.</em> <br><br><img src="http://www.radios-motorola.com/sitio/images/ep450.jpeg" width="388" /><br><br>Motorola Solutions (NYSE: MSI) continues its legacy of designing best-in-class digital radio solutions for firefighters and other professionals who face extreme conditions with the introduction of the APX 8000XE two-way radio and APX XE500 RSM. The newest entries into Motorola Solutionsâ award-winning APX portfolio of Project 25 (P25) digital radios have been developed using the companyâs well-established practice of hands-on research with firefighters and other first responders who need the most reliable mission-critical communications to do their jobs efficiently, effectively and safely every day. <br><br>The APX 8000XE features all-band functionality and is a rugged P25 two-way radio that can be used in either analog or digital mode across 700/800MHz, VHF and UHF bands. Time is of the essence for firefighters and they can be ready in moments by programming the radio remotely via Wi-Fi and radio management software to operate securely on different radio networks, allowing them to quickly help neighboring counties during large-scale emergencies. <br><br>Motorola Solutions works closely with firefighters and other radio users to find out exactly what they need and the APX 8000XE is the latest example of that thinking. It features the trusted ergonomics of the APX XE radio series, designed for easy operation in harsh conditions. The right-sized radio has a large top display, exaggerated controls for gloved hands and a dedicated push-to-talk button. It also provides best-in-class audio with a 1-watt speaker, three built-in microphones and automatic noise suppression for clarity in the loudest of environments. <br><br>âThe APX 8000XE is an all-band rugged and submersible portable radio made for firefighters,â said Lieutenant David Hudik, Elgin, Illinois Fire Department. âWith Wi-Fi access, we can reprogram the APX 8000XE on the fly when we are providing mutual aid assistance out-of-state.â <br><br>Most firefighters use a remote speaker microphone with their radios and the APX XE500 RSM is designed specifically for demanding environments, whether combating a fire or providing medical services at the scene of an accident. <br><br>- With five strategically placed microphones and automatic noise suppression, the APX XE500 provides clear communications when worn on either shoulder, center chest, or over the shoulder <br><br>- It can be submersed in 2 meters of water for up to 4 hours <br><br>- It withstands heat conditions of up to 500°F (260°C) for up to 5 minutes <br><br>- A channel knob automatically controls the channels of the userâs portable APX radio <br><br>âWith the APX XE500 RSM, I can completely control my APX radio without having to hunt under my bunker coat for it,â said Lieutenant David Hudik, Elgin Fire Department. âWith improved water porting, you can carry the APX XE500 upright or upside down for fast water drainage while maintaining clear voice communications.â <br><br>âCustomer input is essential to our design and the Elgin Fire Department was right at our side as we tested the capabilities of the APX 8000XE and APX XE500 RSM,â said Claudia Rodriguez, vice president, Devices Product Management, Motorola Solutions. âThe latest XE radio means firefighters will be able to talk with other first responders at the scene and across municipalities and regions. The new rugged RSM means they can communicate clearly in the loudest fireground environments, including blaring horns and wailing sirens.â<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-12633111446823394912016-04-19T21:10:00.001-07:002016-04-19T21:10:06.604-07:00Innovative radio solution protects and preserves Chinese forests<em>We all know how important radio communications are, and Motorola Solutions have captured a massive coup by providing the radios for protecting the Chinese forests, a feather in the cap for Motorola because Hytera, their biggest competitor at the moment, originating from china, interesting! We found this article <a href="http://www.yourcommunicationnews.com/innovative+radio+solution+protects+and+preserves+chinese+forests_127696.html">on this website</a>. </em> <br><br>Motorola Solutions (NYSE:MSI) with its channel partner Beijing Dyne Rcomm Technology are helping to keep Chinaâs Hunan forestry region safe with a MOTOTRBO digital radio system that increases safety and security for employees while helping them to work more efficiently. <br><br>Chinaâs Hunan province is rich in flora and fauna resources that are essential to the regionâs economy. However, these vast areas which make up around 60 percent of the provinceâs total surface area can be risky places to work for forest rangers. Forest workers depend on reliable communications to be aware of potential bushfire risks and other emergencies. <br><br><img style="float:left;margin:10px;border:none;" src="http://img1.wikia.nocookie.net/__cb20140209111943/planetdinosaur/images/b/b4/JurassicChineseForest.png" width="389" /><br><br>The innovative radio system integrates MOTOTRBO digital two-way radios and repeaters, a dispatch console for centralised control and monitoring of the network at all times and Motorola Solutionsâ IP Site Connect digital solution to extend radio network coverage over the internet throughout the counties and cities. <br><br>âRangers depend on access to clear and reliable communications. They need to stay constantly connected to their colleagues working in control rooms who have visibility of the entire operation and can help to keep them safe at all times,â said Michael Jiang, China President and Country Manager, Motorola Solutions. <br><br>âItâs absolutely essential for forest rangers to know where their co-workers and resources are at all times, especially in times of emergency. <br><br>âHunanâs new radio network provides extensive coverage throughout the region, enabling rangers working across a wide geographic area to report the very first signs of fire so that resources can be deployed quickly and effectively to protect lives and natural resources,â Mr Jiang said. <br><br>Hunanâs integrated system connects the surrounding cities and counties through clear voice communications enhanced with noise cancelling features that perform reliably in the nosiest environments. This system also supports data transfer across the radio network, using GPS to pinpoint the location of nearby team members and resources in emergency situations, while text messages and automatic alerts can be sent between the provinceâs central control room and radio users in the field. <br><br>Motorola Solutions has now deployed more than 5,000 radios to major forestry projects across greater China at locations including the Inner Mongolia, Hebei, Liaoning, Sichuan and Guangdong provinces.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-80562560091417891012016-04-19T10:02:00.001-07:002016-04-19T10:02:18.912-07:00Public Safety Radio Network encounters Capacity Challenges during Brussels Bombings - See more at: http://www.tetra-applications.com/32377/news/public-safety-radio-network-encounters-capacity-challenges-during-brussels-bombings#sthash.cekBZicn.E8LGoeNh.dpuf<em>This article is from the well trusted </em><em><a href="http://www.tetra-applications.com/32377/news/public-safety-radio-network-encounters-capacity-challenges-during-brussels-bombings#sthash.cekBZicn.dpuf">tetra-applications.com website</a> This story is about the Belgian tetra system, called ASTRID, running close to full capacity during one of the biggest disaster events that Belgium has seen. The system had a few stuttering moments, but with the unpredictable surge in traffic after the event, this is to be expected. To learn more read below and see what they are planning to doâ¦..</em> <br><br>During last week bombings, ASTRID, the Belgian Public Safety TETRA network encountered a huge increase of traffic which resulted in a temporarily capacity problem. <br><br>ASTRID, the TETRA radio communications network in Belgium, used by the security forces, has not functioned as desired, after the attacks of last week Tuesday, several media announced. Also the GSM network was down and therefore in some cases WhatsApp had to be used by the security forces. <br><br>Commissioner General Catherine De Bolle has requested an investigation. Several media mentioned that for many hours the system would not have worked. Therefore, the rescue operations of the police at the airport were much more difficult and more chaotic than it should be. Spokesman Peter Dewaele of the federal police admits that some things did not run as planned. <br><br><strong>Astrid responds</strong> <br><br>"After analyzing the situation, Astrid requested all user organizations to sit around the table in order to examine the communication after the attacks of 22 March. Meanwhile, concrete action and specific recommendations were specified," <br><br>According to ASTRID, the exceptional nature of the emergency caused that some masts of the radio network could not be reached for a short period of time, because of the enormous increased traffic. Therefore communication was not possible, Astrid announced. <br><br>"From across the country emergency and security services were asked to provide assistance, which led to an extraordinary radio traffic. On specific requests of many of these organizations Astrid registered hundreds of extra radios to the network. Also the failure commercial mobile phone networks has led to a significant increase in radio traffic." <br><br><strong>"Not flat, or capacity"</strong> <br><br><img style="float:left;margin:10px;border:none;" src="http://static.lakana.com/media.fox5dc.com/photo/2016/03/23/032216_Police_and_crowds_at_Bourse_de_Bruxelles_Brussels_Belgium_6_1458728643319_1071120_ver1.0.jpg" width="390" /><br><br>Astrid points out that the control rooms/emergency centers were particularly busy in Brussels and Flemish Brabant, but they continue to function properly. Also the alarm system for calling the volunteer fire brigade received extra traffic, but the system worked without any problem. Astrid also installed a mobile-transmission tower in order to strengthen the radio network in the Brussels area. <br><br>On a nationwide level, the radio network was still operational, but especially in the Brussels region there were severe capacity challenges," Astrid notes. "Shortly after the attacks the nearby Astrid masts reached their maximum output, which resulted in difficult communication during some crucial hours. Some users had no access to their talk groups." <br><br>"On Friday March 25th we discussed the situation with the End User Advisory Committee. Concrete action points and recommendations for the use of the radio network and training were determined," concludes Astrid.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0tag:blogger.com,1999:blog-3015520859318536100.post-47504751685481080122016-04-07T20:41:00.001-07:002016-04-07T20:41:14.735-07:00How Festival Volunteers Handled Nature's Fury Professionally With The Help Of 2 Way RadiosEntrusting security of a large bluegrass music festival to volunteers is an act of faith; handing us <a href="https://en.wikipedia.org/wiki/Two-way_radio">2 way radio equipment</a> gave us the power and connection to do the job right. For the price of a few day shifts and at least one overnight watch until sunrise, we security volunteers got to enjoy some of the finest concerts and classes in a beautiful mountain setting. When disaster struck -- twice -- we didn't need extensive training to be effective, just a fully charged battery. <br><br>First Challenge: Nice Guys Slide Off Dirt Roads <br><br>The first disaster was minor but challenging. A courteous pickup truck driver had moved over for oncoming traffic on a hillside dirt access road and slid off the edge just enough to get stuck. Calling for a tow was a perfect use of our radios that otherwise would have required sending a runner back down to the main tent. As the tow truck positioned itself to lift the truck back onto the road, we found a second radio use: solving problems by committee remotely! <br><br>Since no one outranked another, we wound up addressing the problem from several angles: "the road is blocked," said one, "halt the cars coming up." "I don't have authority to control traffic," said another. "There's no turning around, so they'll all be stuck if you don't," said the first. In the end, with quick radio communication instead of breathless runners doing a relay, a dead-end country traffic jam was avoided and the truck was rescued. <br><br><img style="float:left;margin:10px;border:none;" src="http://digicomwireless.com.au/wp-content/uploads/2014/01/Hytera-PD782-Digital-Two-Way-Radio.png" width="275" /><br><br>Second Challenge: Set Them Up and Blow Them Down <br><br>As if that wasn't excitement enough, on another festival day a mountain thunderstorm descended with hurricane-force winds. By the time the blow was over, camping and performance tents were scattered and destroyed, the entire area was drenched, and nearly every portable restroom was knocked over. The practical people running the event organized crews, called the restroom vendor, and went about setting everything right. <br><br>The festival proceeded with minimal interruption from the storm: the radios not only made recovery possible, but made getting back on track effective and timely. It's a good thing we had plenty of radios and volunteers to coordinate the activities. We got updated information to performers and attendees, and responded to issues requiring executive decisions or medical assistance as quickly as possible. <br><br>In addition to keeping the festival going, ensuring everyone's health and safety, and streamlining decision processes, using radio gave the festival a professional appearance with a large contingent of lightly trained volunteers. Event attendees could enjoy their week of mountain music and head home feeling that the organizers had great acts on stage and a team they could trust behind the scenes. Our teamwork contributed to a solid event reputation and growing attendance numbers year to year. <br><br>In a remote area where cell phone users had to find a good spot to get a connection, 2 way radios were the perfect solution for making <a href="http://www.oxfam.org.uk/get-involved/festivals">festival volunteers</a> efficient and effective. Bad luck and bad weather was no match for a dedicated crew that could work together over the airwaves. For the lonely overnight watchman role, the radio was a reassurance that he wasn't alone watching over the festival fans under the starry mountain sky.<br><br> Anonymoushttp://www.blogger.com/profile/12403133313569860379noreply@blogger.com0