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dstate1933
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Gupta: Cell phones, brain tumors and a wired earpiece

Posted

You can be safe in the wisdom that I bring the top earpiece articles, a number of them are my very own several of them are curated by me, if i choose to use someone elses content it's because it is appropriate to my readership, so feel confident that you are reading the best from my industry.

Just about every time I use a cell phone, I plug in my wired earpiece first. Having discussed the use of earpieces on several news shows, people expect to see me using one. If I am walking around the CNN studios, my colleagues often comment on it. In airports, people will stop me in the rare cases I forget to use the earpiece, and remind me about it. Perhaps, they are intrigued because I am a neurosurgeon who openly shows some concern about cell phones.

Truth is, it is a pretty easy thing to do - using an earpiece. Furthermore, my neck doesn't hurt after being on the phone for a long conference call, and given that many of those calls take place in a car, an earpiece becomes a requirement. Still, though, I don't want to dodge the obvious question: Do cell phones cause brain cancer?

It may be too early to say for sure. The latency period or time between exposure and recognition of a tumor is around 20 years, sometimes longer. And, cell phone use in the U.S. has been popular for only around 15 years. Back in 1996, there were 34 million cell phone users. Today there are 9-10 times as many. Keeping that in mind, it is worth taking a more detailed look at the results of Interphone, a multinational study designed to try to answer this question.

The headline from this study was there was little or no evidence to show an association between cell phones and cancer. Though, if you went to the appendix of the study, which interestingly was available only online, you found something unsettling. The data showed people who used a cell phone 10 years or more doubled the risk of developing a glioma, a type of brain tumor. And, across the board - most of the studies that have shown an increased risk are from Scandinavia, a place where cell phones have been popular since the early 1990s. For these reasons, the whole issue of latency could become increasingly important.

Cell phones use non-ionizing radiation, which is very different from the ionizing radiation of X-rays, which everyone agrees are harmful. Non-ionizing radiation won't strip electrons or bust up DNA. It's more like very low power microwaves. Short term, these microwaves are likely harmless, but long term could be a different story. Anyway, who likes the idea of a microwave, even a low-powered one, next to their head all day?

And, what about kids? I have three of them, aged 5, 4 and 2. Fact is, they are more likely to lead to my early demise than cell phones. But, as hard as it is to believe sometimes, they actually have thinner skulls than adults, and will probably be using cell phones longer than I ever will.

The first person to encourage me to regularly wear an ear piece was Dr. Keith Black. He also is a neurosurgeon, and makes a living removing - you guessed it - brain tumors. Keith has long believed there is a link, and for some time, his was a lonely voice in this discussion. Nowadays, he has loud and prominent voices accompanying him. Ronald Herberman, director of the University of Pittsburgh Cancer Institute, sent a memo warning staffers to limit their cell phone use. One of the possible consequences, he says, is an increased risk of brain cancer. The city of San Francisco is trying to pass an ordinance requiring radiation. The European Environmental Agency has said cell phones could be as big a public health risk as smoking, asbestos and leaded gasoline. Even the makers of cell phones suggest you don't place a device against your head, but rather advocate holding it 5/8 to a full inch away.

Many will roll their eyes at this, scoffing at the precautionary principle on display here. Fair enough. Still, I like my wired earpiece, and I don't have to turn my life upside down to use it. I also text and email a lot more, because my kids rarely allow me to have a phone conversation. Speaking of kids, you will probably see mine using earpieces too, when my wife and I decide they are old enough to use one, which isn't in the foreseeable future.

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DMR Tier III: the open standard for radio communications

Posted

I have witnessed tons of supplies on this site it is the greatest

Private mobile radio is fast becoming an essential communications solution to support the operational needs of utilities companies, airports, oil and gas pipelines and emergency services.

When compared to public cellular services, it delivers improved coverage, reliability and resistance, contention, security, group communications and performance.

The digital landscape is crowded, though, with a number of public safety digital standards such as TETRA, P25 as well as low cost digital solutions including DMR (Digital Mobile Radio), dPMR (digital Private Mobile Radio), NXDN and PDT (Professional Digital Trunking).

DMR is coming out on top thanks to the open standard nature of DMR Tier III trunking, which is driving its emergence, ongoing development and adoption across global markets.

But do open standards matter? While open standards are less important in the small system market, they are critical to the long-term case for the radio system in the medium to large systems sector, and it is here that open standard DMR Tier III will dominate.

Essentially, DMR Tier III trunking features a control channel on each radio site and allocates traffic channels on demand making it frequency efficient and enabling a large number of users to share a relatively small number of channels. Radio sites can easily be inter-connected, usually using IP connections, making it possible to deploy systems ranging from a single site to hundreds of sites spread over a large geographical area.

The open standard way

The DMR standard includes the facility for implementers to provide 'manufacturer extensions', enabling manufacturers to provide proprietary features within the framework of the DMR air interface definition. This allows them to complement the standard set of DMR call functions with their specific facilities.

This has the advantage of enabling customers to request specific functionalities to support the manufacturer's business operation needs and also enables them to provide innovative features that differentiate their solutions from others implementing the same standard.

One disadvantage to this offering is that interoperability can only be possible for those features that are fully defined by the standard and that customers using manufacturer extensions are effectively locked in to a single manufacturer solution rather than enjoying the vendor choice that a standard enables.

To address the pros and cons, the DMR Association (DMRA) has struck a balance between robustness and cost with their interoperability process, which focuses on testing the conformance of products against the published standard that describes the over-air signalling. The DMRA facilitates testing between a terminal manufacturer and an infrastructure manufacturer, and the two parties carry out the testing against a standard test specification. Test results and logs of all messages sent over air are recorded during the testing and then are inspected by one or more independent third parties during a detailed review meeting. Only after the independent third parties are satisfied that the equipment under test has conformed to the open standard specification is an interoperability certificate issued.

Ongoing standards development

Whilst this facility can be useful, extensive use of manufacturer extensions would call into question whether DMR was a standard that delivers interoperability (and therefore vendor choice) or whether it results in proprietary solutions rather than following an open standard.

The answer to this lies in the work of the DMR Association. The DMRA has a technical working group - made up of competing manufacturers - who collaborate to ensure the standard succeeds. Any proprietary features from the manufacturers, which are believed to have wide market appeal or have useful features the standard doesn't yet specify, are debated in the group. They are then developed to further advance the standard to the benefit all of the manufacturers and indeed the customers who choose to implement DMR technology.

The DMRA is further developing the standard to meet future market demands by identifying important new features and ensuring these are developed and included in new releases of the ETSI standards.

The future of DMR Tier III

Open standards are critical to providing long-term support and stability to customers. The adoption of the standard by a critical mass ensures its longevity over other similar competing technologies that have lower levels of support by offering the market vendor choice and maintaining low costs.

Is DMR Tier III radio communications' open standard for the future? Yes. Due to DMRA's authority, the robust and well-supported interoperability programme and the long-term commitment of a large number of manufacturers, it is emerging as the most successful low cost digital technology for complex projects - and therefore the open standard that no other private mobile radios can contend with.

Source - http://www.telecomstechnews.co m/news/2014/apr/25/dmr-tier-ii i-open-standard-radio-communic ations/

Police force rakes in more than 270,000 by selling seized goods including a Rolex and even an Aston Martin on eBay

Posted

A police force has raked in over 270,000 in the past year by selling confiscated goods on the online action website ebay. Leicestershire police became the first force in the country to use ebay to sell the seized assets of criminals which included flashy sports cars and designer jewellery.

The items that were auctioned off included luxury cars, computers and clothing which the courts confirmed had been paid for with criminal cash. All the money the site generates will go back to fund crime-fighting work. Leicestershire police said it hopes it will prevent criminals from benefiting from their loot.

Many of the items were confiscated thanks to tip-offs from the public, who became suspicious of people who were living the high life despite having no obvious legitimate income. Some of the items included high-powered sports cars for tens of thousands of pounds, others included designer jewellery and DVDs.

The unusual ebay shop opened in September 2009 and the total raised since then is more than 1.2 million. In the past year, it has sold an Aston Martin DB9 car for 63,000, an Audi A5 for 29,500 and a Range Rover for 15,500 and a Mercedes car for 7,751.

Meanwhile, police sold a Rolex watch online for more than 13,000 and a signed autograph by legendary crooner Frank Sinatra was snapped up for 260. Paul Wenlock, head of Leicestershire Police's economic crime unit, said the site had been a 'huge success'. He said: 'The site is also a daily reminder we will take civil as well as criminal action to ensure criminals do not benefit from their crimes. 'In some cases, we have been able to seize goods and sell them where we have not managed to secure a criminal conviction. 'All the money the site generates goes back to fund crime-fighting work. 'Often the inquiry starts from information from members of the public.

'If you know anyone who appears to be living a lifestyle beyond their visible means, we would like to know. We can take both civil and criminal action to be sure they do not benefit from these activities.' Everything the force has sold had been seized and formally confiscated by the courts under the Proceeds of Crime Act after officers proved they were bought with criminal cash. The cash is used to fund further crime-fighting, while some is donated to good causes, including organisations which support victims of crime.

And thankfully the force's eBay seller rating - which reflects its customers' satisfaction levels - is 99.8 per cent Police officers also use eBay to sell other items in its possession - they made 39,209 by selling surplus police equipment and 24,050 on unclaimed lost property.

It's not known whether other police force's intend to follow suit.

Read more: http://www.dailymail.co.uk/new s/article-2889021/Police-force -rakes-270-000-selling-seized- goods-including-Rolex-Aston-Ma rtin-eBay.html#ixzz3NIF57Pph

Channel 4 Buys Hitler's Hair for Three Thousand Pounds

Posted

British TV station Channel 4 is being strongly criticized after it authorized the purchase of a lock of hair that apparently once belonged to Adolf Hitler, for 3000.

The hair, which was acquired for DNA testing as part of the upcoming show 'Dead Famous DNA', was allegedly collected by the Dictator's barber.

Channel 4 bought the hair from Nazi sympathizer and Holocaust denier David Irving. The controversial 'historian' also attempted to sell other Nazi memorabilia online in 2009.

Yahoo! News quoted Labour MP Ian Austin as saying that the sale represented a particularly uncouth publicity stunt. Austin said, "This sounds sick. It's appalling that Channel 4 would get involved with a Holocaust denier in some bizarre and tawdry show purporting to be entertainment (...) It's disgusting, and raises questions about Channel 4's public broadcasting remit."



However, Channel 4 defended the move, with a spokesperson saying that "We believe the potential importance of the scientific and historical insight justified the purchase,"



Initially considered to be a respected academic, British author David Irving's career as a historian gradually fell into decline as his works became more and more biased towards Hitler's Third Reich. He has since spoken at various Neo Nazi rallies and has gone on record, a great many times, as both a Holocaust denier and a virulent anti-Semite. He has stated that he believes in a Jewish conspiracy to rule the world and has openly accused concentration camp survivors of lying about their experiences.

At the time of writing, Irving is banned from entering Germany, Austria, Italy, Australia and Canada.

According to The Jewish Chronicle Online, Mark Gardner, director of communications at the Community Security Trust, said, "It is distasteful to see Hitler being sensationalized in this way, but even worse that David Irving - of all people - ought to profit from it in this way."

'Dead Famous DNA' is to be fronted by Mark Evans and will see the DNA testing of the remains of other famous figures from history. People like Charles Darwin, Marilyn Monroe and Napoleon Bonaparte. The programme will be broadcast later this week.

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