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independent news

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WIRELESS NEWS AGGREGATION
(with a little help from my friends)

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FRIDAY — SEPTEMBER 6, 2013 — ISSUE NO. 571

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Paging and Wireless Messaging Home Page image Newsletter Archive image Carrier Directory image Recommended Products and Services
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Reference Papers Consulting Glossary of Terms Send an e-mail to Brad Dye

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Dear Friends of Wireless Messaging,

PAGING COMMUNITY FORUM

One of the great things about this newsletter (no brag—just facts) is that we can share very important information about things going on in the world of paging. We can help each other understand and solve problems. Now-a-days we can't just pick up the telephone and call the equipment vendor's support department and get an immediate answer about a problem that we are experiencing with our equipment. Sharing the information in this community forum has helped many of our readers.

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This week the topic is a GPS anomaly and how this can affect a paging system.

THE GPS CONSTELLATION

21 operational satellites with 3 operational spares.

  • 6 orbital planes
  • 55 degree inclinations
  • 20,200 kilometer, 12-hour orbits

For our readers who aren't very technical, a review of the basics of modern, high-speed paging might be helpful.

To “boil it down” to the basics, there are three absolute requirements for reliable, high-speed simulcast paging:

  • FREQUENCY
    All the transmitters that are transmitting in the same area must be exactly on frequency, and must stay there. (this includes intentional offsets)
  • PHASE (timing)
    All the paging messages must be transmitted from each transmitter at exactly the same time.
  • AMPLITUDE
    All transmitters (using FM modulation) must be set for exactly the same amplitude (loudness or deviation).

This must be done so that the signals from adjacent transmitters don't cancel each other. The reason exactly is in bold type (above) is because just being close won't do. In fact, the precision required for high speed simulcast paging was not possible before the US government implemented the Global Positioning System (GPS). By the way, simulcasting is a word that comes from simultaneous + broadcasting .

Which brings me to the point of this week's topic. My friend and colleague, Vaughan Bowden is investigating a GPS anomaly . Please see his LETTER TO THE EDITOR near the end of this newsletter. We are hoping to get more information about this issue, and to get a discussion going.

Vaughan was formerly the chief technical guy at the world's largest paging company. I don't recall his exact title, but he certainly knows his stuff. He is on my short list of “go to” people for technical information.

I have been in touch with technical people caring for other radio communication systems (LMRs, etc.) and they are also receiving reports of a GPS anomaly as well.

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I have been fascinated by how GPS is used in paging for a long time. Back in the days when I worked at Motorola Paging, we used to have some heated discussions about how to properly calibrate a paging system. I would have a meeting with my staff; system engineers, field support technicians, sales engineers, and project management engineers. Since this was fairly new technology—at that time—not everyone understood how it worked. Oh, I guess the engineers and scientists hidden in the inter sanctums of the product design groups did, but they didn't talk much to “us field people.”

The FTRs thought that the transmitter frequency accuracy was a result of them using a rubidium frequency standard to calibrate the transmitter. Wrong!

Once the transmitter VCO was set to zero and the switch flipped over to GPS lock, the the transmitter frequency was completely “disciplined” or controlled by the one pulse per second signal being received from the cesium standard on the GPS satellite(s).

Many service shops were surprised that their very expensive service monitors, and frequency counters, were not accurate enough to set a paging transmitter on frequency. The paging transmitter—when disciplined by GPS—was more accurate than their best test equipment.

If you are interested in more information on this topic, I have done a lot of experimenting, since my retirement, with GPS. Here is a sample of one of my projects.

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Now on to more news.

Wayne County, Illinois Weather

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Wireless Messaging News
  • Emergency Radio Communications
  • Wireless Messaging
  • Critical Messaging
  • Telemetry
  • Paging
  • WiMAX
  • Wi-Fi
WIRELESS
wireless logo medium
MESSAGING

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About Us

A new issue of the Wireless Messaging Newsletter is posted on the web each week. A notification goes out by e-mail to subscribers on most Fridays around noon central US time. The notification message has a link to the actual newsletter on the web. That way it doesn't fill up your incoming e-mail account.

There is no charge for subscription and there are no membership restrictions. Readers are a very select group of wireless industry professionals, and include the senior managers of many of the world's major Paging and Wireless Messaging companies. There is an even mix of operations managers, marketing people, and engineers — so I try to include items of interest to all three groups. It's all about staying up-to-date with business trends and technology.

I regularly get readers' comments, so this newsletter has become a community forum for the Paging, and Wireless Messaging communities. You are welcome to contribute your ideas and opinions. Unless otherwise requested, all correspondence addressed to me is subject to publication in the newsletter and on my web site. I am very careful to protect the anonymity of those who request it.

I spend the whole week searching the Internet for news that I think may be of interest to you — so you won't have to. This newsletter is an aggregator — a service that aggregates news from other news sources. You can help our community by sharing any interesting news that you find.

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Editorial Policy

Editorial Opinion pieces present only the opinions of the author. They do not necessarily reflect the views of any of advertisers or supporters. This newsletter is independent of any trade association.

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Back To Paging

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Still The Most Reliable Wireless Protocol For Emergencies!

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Subscriptions

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If you would like to subscribe to the newsletter just fill in the blanks in the form above, and then click on “Subscribe.”

free There is no charge for subscription and there are no membership restrictions. It's all about staying up-to-date with business trends and technology.

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CAN YOU HELP THE NEWSLETTER?

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You can help support the Wireless Messaging News by clicking on the PayPal Donate button above.

Voluntary Reader Support

Newspapers generally cost 75¢ $1.50 a copy and they hardly ever mention paging or wireless messaging. If you receive some benefit from this publication maybe you would like to help support it financially? A donation of $50.00 would certainly help cover a one-year paid subscription. If you are wiling and able, please click on the PayPal Donate button above. Any amount will be sincerely appreciated.

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Wireless Messaging News

made on a mac

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ADVERTISERS SUPPORTING THE NEWSLETTER

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Please Support Our Advertisers
They Make This Newsletter Possible

Advertiser Index

American Messaging
Critical Alert Systems
Critical Response Systems
Easy Solutions
Hahntech USA
Hark Technologies
Ira Wiesenfeld & Associates
Ivycorp
Leavitt Communications
Preferred Wireless
Prism Paging
Product Support Services — (PSSI)
Paging & Wireless Network Planners LLC — (Ron Mercer)
Specialty Answering Service
STI Engineering
WiPath Communications

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CRITICAL RESPONSE SYSTEMS

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  • Secondary Features Supporting Public Safety and Healthcare

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T-Mobile Offers Galaxy Gear Smartwatch For $299.99, Available Oct. 2

Sept. 6, 2013
By JON M. CHANG

The new Galaxy Gear smartwatch is held next to the new Galaxy Note 3 smartphone at the Samsung stand at the IFA 2013 consumer electronics trade fair, Sept. 5, 2013 in Berlin. Sean Gallup/Getty Images

If your wrist is begging for a phone of its own, you'll have to wait about another month. T-Mobile said Friday that Samsung's Galaxy Gear, the company's newest smartwatch, will launch nationwide on Oct. 2 for $299.99 .

The other big cellular providers will also offer the Gear, though they have not been as forthcoming with the details. AT&T only mentioned the Gear in passing in its most recent statement . Neither Verizon nor Sprint have said anything official, though a leaked internal document says that Verizon may bundle the smartwatch with the Galaxy Note 3 for $599.99.

Samsung Galaxy Gear Review 2013: First Look at New Smartwatch

Samsung recently highlighted the interactivity between the Gear and its newest smartphone, the Galaxy Note 3. T-Mobile will also release the stylus-equipped smartphone for $199.99, though owners will have to pay an additional $21.00 per month for two years. AT&T offers the phone for $299.99 with a two-year contract or $724.99 off the shelf.

The Galaxy Gear marks the first corporate effort to get into the smartwatch market. But even though Samsung is launching the first shots at Apple and Microsoft , those shots may not hit as hard as the company might think.

Patrick Moorhead, the founder and principal analyst of Moorhead Insights and Strategy, said that smartwatch technology overall isn't ready for prime time. "It's an 'OK' first attempt at a smartwatch, but it has a long way to go," he told ABC News. "I don't expect Gear to sell in high volumes as I expect consumers rather to opt for other, cheaper smartwatche s."

Samsung Galaxy Gear: Time To Watch, Not Buy

Samsung also needs to make sure that retailers and customers are aware that the watch is more like an accessory than a product that can stand on its own, industry experts said. "That point has been made clearly to the press, but it needs to continue in retail," said Angela McIntyre, research director at Gartner.

She also added that customers need to be informed about which phones and devices will specifically work with the Gear. "Getting a Galaxy S4 to work with the Gear requires a software download," she said. "There's also been no discussion on what other types of Android phones might work, and especially no discussion on whether it will work with iOS devices."

Moorhead agreed and said the Gear is hampered by its need to connect with other Samsung devices. "Galaxy Gear isn't useful at all without a Samsung phone," he said. "It will only be attractive to technology enthusiasts with a lot of disposable income who prefer Samsung, and that's a pretty narrow slice."

Source: abc NEWS

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STI Engineering

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sti header
 

250W VHF Paging Transmitter

STI Engineering is delighted to announce the release of the RFI-148 250 high performance paging transmitter. The transmitter features true DDS frequency generation that enables precise control and flexibility for a wide range of data transmission applications.

The transmitter is particularly suitable for large simulcast POCSAG and FLEX paging networks and can be used as drop-in replacement of older and obsolete transmitters.

sti tx
  • High power output
    (selectable from 20 W - 250 W)
  • SNMP Diagnostics and alarms
  • Full VHF Band coverage
    (138-174 MHz)
  • DSP precision modulation
  • Integrated isolator
  • Sniffer port for in-rack receiver
  • Remote firmware upgrade capability
  • Software selectable frequency offset
  • Adjustable absolute delay correction
  • Front panel diagnostics
  • Hardware alarm outputs
  • High frequency stability
  • External reference option
  • FCC and ACMA approved
  • CE compliant version in development
sti logo sm22 Boulder Road Malaga 6090 Western Australia
Telephone:  +61 8 9209 0900
Email:   sales@stiengineering.com.au
Facsimile:  +61 8 9248 2833
Web:  www.stiengineering.com.au

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The Johns Hopkins Hospital Becomes One of the First U.S. Hospitals to Receive a License under New FCC Regulations

Critical Response Systems, a provider of leading-edge, mission-critical communication systems, announced recently that The Johns Hopkins Hospital has become one of the first hospitals in the country to receive a license under the new FCC regulations allowing U.S. hospitals to use high-power send/receive channels in the 935-940MHz band.

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Norcross, GA (PRWEB) September 05, 2013

Critical Response Systems, a provider of leading-edge, mission-critical communication systems, announced recently that The Johns Hopkins Hospital has become one of the first hospitals in the country to receive a license under the new FCC regulations allowing U.S. hospitals to use high-power send/receive channels in the 935-940MHz band. Their new license is valid for 10 years. The hospital has been using Critical Response Systems (CRS) critical messaging solution under a special license for some time.

The Johns Hopkins Hospitals went live over a year ago on the CRS critical alert messaging system which uses the M1503 Pager. The CRS solution provides a dedicated system for critical alerting, enterprise-wide, that combines the best possible performance and reliability with low cost of ownership and a rapid ROI. A single rooftop antenna delivers urgent and critical messages to Johns Hopkins' staff members within the hospital as well as up to 20 square miles of surrounding area.

The CRS critical messaging system is completely self-contained and does not rely on cellular towers, Internet coverage, external communication apps or email servers. Message recipients can reply instantly with just a touch of a button, confirming receipt and how they will react. Also, the CRS system is easily managed and administered from a central location. All system maintenance, address additions, encryption keys, pager settings, etc. are automatically programmed into pagers over the air. The CRS system currently supports over 350 pagers at Johns Hopkins with the ability for unlimited growth.

The system is installed in the new Johns Hopkins Sheikh Zayed Tower and The Charlotte R. Bloomberg Children's Center, a 1.6 million-square-foot facility that features two connected 12-story towers. Opened in early 2012, the facility incorporates the best ideas in modern health care. Johns Hopkins is among the nation's largest academic medical centers.

"The Johns Hopkins Hospitals' communications professionals realize that while cell phones and smart phones are good solutions for voice communications and web apps, they are not the best choice for critical alerting," explained Brian Claise, CTO of Critical Response Systems. "Phones rely on cellular service and the Internet, both of which are subject to dropped calls and other momentary outages. This is not acceptable for life-critical situations. Additionally, cellular devices can be turned off, and they invite personal usage that hinders productivity."

About Critical Response Systems
Critical Response Systems' manufactures leading-edge wireless data systems, focused solely on critical messaging and alerting. We know that every response starts with an alert, and our systems use the latest technology to ensure that first responders and clinical personnel get their messages quickly, correctly and reliably. For more information, visit us at http://www.criticalresponse.com

— END —

Source: PRWeb

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       CHECK THIS OUT

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Al Qaeda reportedly seeking ways to target US drones

Published September 04, 2013
FoxNews.com

Al Qaeda's leadership has reportedly set up cells of engineers to find ways to destroy and sabotage unmanned aircraft in an effort to curb the U.S. drone campaign against militants in the Middle East and North Africa.

U.S. intelligence officials have tracked the group's efforts to create a counter-drone strategy since 2010, according to secret intelligence documents obtained by the Washington Post from National Security Agency leaker Edward Snowden.

The classified report, titled "Threats to Unmanned Aerial Vehicles," consists of a summary of dozens of intelligence assessments posted by American spy agencies since 2006, The Post reported.

In July 2010, a U.S. spy agency intercepted electronic communications suggesting that senior Al Qaeda leaders had distributed guides to its operatives around the world on how "to anticipate and defeat" drones, according to the documents.

The Defense Intelligence Agency, or DIA, concluded that Al Qaeda was sponsoring research projects to develop technology to interfere with infrared tags and GPS signals on unmanned aircraft, The Post reported, citing the secret documents.

Still, the documents show that American spy agencies have concluded that Al Qaeda faces "substantial" challenges in its efforts to exploit the technological vulnerabilities of drones.

The Post reported that in 2011, the DIA reported that an "al-Qaeda-affiliated research and development cell currently lacks the technical knowledge to successfully integrate and deploy a counter-drone strike system."

In Yemen, accelerated use of drone strikes under President Obama and a U.S.-backed offensive last year drove militants from territory they had seized a year earlier, during Yemen's political turmoil amid the Arab Spring.

While the U.S. acknowledges its drone program in Yemen, it does not usually talk about individual strikes. The program is run by the Pentagon's Joint Special Operations Command and the CIA, with the military flying its drones out of Djibouti, and the CIA out of a base in Saudi Arabia.

The U.S. drone program has caused extreme tension between Pakistan and the United States. Washington says it needs to use the unmanned aircraft because Pakistan refuses to engage fighters militarily.

Pakistan's foreign ministry on Saturday condemned a pair of suspected strikes that killed at least three foreign militants, calling them "unilateral" and a violation of Pakistan's sovereignty and territorial integrity.

"Pakistan has repeatedly emphasized the importance of bringing an immediate end to drone strikes," it said, describing the policy as counter-productive and responsible for the deaths of innocent civilians.

"Such strikes also set dangerous precedents in the inter-state relations," it added.

Source: Fox News

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leavitt

Specialists in sales and service of equipment from these leading manufacturers, as well as other two-way radio and paging products:

UNICATIONbendix king
ZETRON

motorola blue Motorola SOLUTIONS

COMmotorola red Motorola MOBILITY spacer
Philip C. Leavitt
Manager
Leavitt Communications
7508 N. Red Ledge Drive
Paradise Valley, AZ 85253
CONTACT INFORMATION
E-mail: pcleavitt@leavittcom.com
Web Site: www.leavittcom.com
Mobile phone:847-494-0000
Telephone:847-955-0511
Fax:270-447-1909
Skype ID:pcleavitt

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NEW GPS Jammer Detector and Locator System from Chronos Technology to be Sold in the United States by NavtechGPS

Mon, Aug 12, 2013 3:00 AM EDT

NavtechGPS to market the CTL3520, which not only detects GPS signal jamming, but can also locate the source of the jamming.

SPRINGFIELD, VA. AUGUST 12, 2013. GPS jamming in vehicles is a concern for law enforcement and security agencies, including local and federal government authorities. Until recently, detecting the source of the jamming has proved elusive. NavtechGPS is pleased to announce that as part of its continuing partnership with Chronos Technology, NavtechGPS will be distributing the Chronos CTL3520 Handheld Directional GPS Jammer Detector and Locator for sale in the United States.

Aimed specifically at detecting GPS jammers hidden in vehicles, the unit can pinpoint even the weakest jammer and identify the vehicle where the jammer is hidden, even in a busy multi-level parking garage. Other applications include detecting vehicles with jammers at airports, fleet depots, airport parking garages and in taxi fleets.

This handheld, battery operated device quickly locates the presence of jamming signals from commercially available GPS jammers or too much power or interference broadcast in the GPS L1 band. The CTL3520 uses innovative direction finding technology developed by the University of Bath to accurately determine which vehicle or individual is hosting the jammer, and then point the user in the direction of the jammer.

"The device is compact, lightweight, easy to use, and sensitive. It can detect very low-power jammers that are commercially available," says NavtechGPS CTO and Vice President Franck Boynton. "The technology can be used to find both intentional and unintentional GPS signal jamming. There are those who deliberately use these jammers for criminal or terrorist activities. Signal jamming can render your GPS useless, making this product especially important to those who are concerned about protecting critical infrastructures, like Homeland Security."

More information about this device, including specifications, can be found at www.NavtechGPS.com on the CTL3520 product page.

NavtechGPS has nearly 30 years of experience in GPS/GNSS and precise positioning technology. As a distributor of GPS and GNSS related products, NavtechGPS delivers innovative solutions for military, commercial and research COTS integration projects. NavtechGPS has been a critical team member on hundreds of projects and has helped its partners win competitive programs. NavtechGPS is also a world leader in GPS/GNSS education with a comprehensive course list taught by world-class instructors who have educated thousands of GNSS professionals since 1984. For more information about NavtechGPS, its products, services and seminars, visit www.NavtechGPS.com . (A Woman-Owned Small Business 8(m)).

NavtechGPS Contact:
Franck Boynton, VP and CTO
NavtechGPS
5501 Backlick Road, Suite 230
Springfield, VA 22151
www.NavtechGPS.com
e-mail: fboynton@navtechgps.com
Tel: 1-703-256-8900; Fax: 1-703-256-8988

Source: YAHOO! Finance

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Specialty Answering Service

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Why Should You Choose Specialty Answering Service?

Specialty Answering Service is one of the most trusted call center service-providers in the industry. We have combined an amazing business answering service with a passion for technology and customer service to develop an essential solution for any company looking to stay ahead in our “on demand” world. Your customers want information and answers now. Are you ready to help them? We are!

We are able to integrate with any paging or messaging service that our clients already subscribe to.

Phone: 888-532-4794
Fax: 888-644-4129
E-mail   left arrow Web   left arrow Support   left arrow

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Specialty Answering Service

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American Messaging

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amsi

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American Messaging

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Easy Solutions

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easy solutions

Easy Solutions provides cost effective computer and wireless solutions at affordable prices. We can help in most any situation with your communications systems. We have many years of experience and a vast network of resources to support the industry, your system and an ever changing completive landscape.

  • We treat our customers like family. We don't just fix problems...
    • We recommend and implement better cost effective solutions.
  • We are not just another vendor — We are a part of your team.
    • All the advantages of high priced full time employment without the cost.
  • We are not in the Technical Services business...
    • We are in the Customer Satisfaction business.

Experts in Paging Infrastructure
Glenayre, Motorola, Unipage, etc.
Excellent Service Contracts
Full Service—Beyond Factory Support
Contracts for Glenayre and other Systems starting at $100
Making systems More Reliable and MORE PROFITABLE for over 28 years.

Please see our web site for exciting solutions designed specifically for the Wireless Industry. We also maintain a diagnostic lab and provide important repair and replacement parts services for Motorola and Glenayre equipment. Call or e-mail us for more information.

Easy Solutions
3220 San Simeon Way
Plano, Texas 75023

Vaughan Bowden
Telephone: 972-898-1119
Website: www.EasySolutions4You.com
E-mail: vaughan@easysolutions4you.com

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Easy Solutions

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Clips of reports and opinions on the GPS Anomaly

[Names are given only where permission was obtained.]

From: Brad Dye <brad@braddye.com>
To: Time Nuts <time-nuts@febo.com>
Sent: Wednesday, September 4, 2013 5:14 PM
Subject: [time-nuts] GPS outage?

Readers of my newsletter are reporting a strange interruption of their GPS reception yesterday — mainly in the northeastern US but also in SC. This is my first day on this mailing list — for a while — so I don't know if this has been discussed or reported previously. Has anyone else noticed this? We are trying to find out is there was some sort of system-wide issue or maybe if it was local interference possibly caused by those GPS jammers that some of the truckers have been using.

By the way, my newsletter is mostly about Paging, and we use GPS/DOs to keep the paging transmitters (in simulcast mode) synchronized and on frequency.

Best regards,

Brad Dye, K9IQY
Editor, Wireless Messaging News
P.O. Box 266
Fairfield, IL  62837 USA
Telephone: 618-599-7869
Skype: braddye
http://www.braddye.com

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Brad—

The way I read that is that: GPS Bird SVN24 with a Spread Spectrum code of PRN04 was determined to be unusable (i.e.: out of spec) from 17:17 UTC Sept 3rd until 00:29 UTC Sept 4th.

This is a common GPS notice if a satellite drifts either out of the desired orbit or has a timing issue such that the Air Force sets the data bit in the sat's downlink message to tell GPS receivers to "not use me" in any of your calculations.

These events happen all too often; so much so that we don't even notice it since there are so many extra GPS birds in the constellation that more than one can be "out of service" and yet the system runs just fine.

That said ... and without our actual GPS receiver logs in front of me from our customers, it would seem that something more significant happened at or around the same time frame.  In our case, our units when into "hold-over" where the Rubidium was acting as "the fly wheel" until at least 3 GPS sat signals were present and they all had valid "I'm OK to use" messages in the data stream.

Now I have personally witnessed a GPS jammer device in a truck on the highway cause all kinds of GPS jamming alarms to go off in that no GPS receiver at a site could decode ANY satellite signals and the Rb units took over for the 2 to 5 minute period. However those events are much more localized to a small area and not of the large geographic area that we saw early this week.

But ... there could very well be a hidden SW bug in our vendor equipment such that if a particular SVN number is flagged, it has a ripple effect and the GPS engine refuses to demod any GPS signals from any sat.  Now that's my speculation and is NOT backed by ANY evidence. Just a theory about SW from a 30+ year RF HW Engineer.

For me ... the answer has to be simple & easy.  If the entire GPS system was impacted it would have been on the 6 pm news. Yet it was not.  SO sadly my best "guess" is that you & I both had a SW bug issue and that needs further investigation so we can avoid it in the future.

You can quote me, but just name me as a fellow time-nut so my day job employer doesn't get involved! hi... hi...

—Brian, WA1ZMS/4

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Can anyone estimate how many GPS jammers there are in the New England area? There just might be "thousands".  I don't know.

I think the reason most people are not effected is that most GPS user are mobile and if they are near a jammer it is only for a few minutes Let me tell you that FAA and DHS has serious concerns regarding GPS jammers.

They will happily inform you of just how much trouble they went through to identify the GPS jammer that regularly caused problems for a New Jersey airport. They will also tell you that they saw 5 other GPS jammers, but none of those affected the airport. It was a painful learning experience for them.

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There was nothing in my file that hinted at anything out of the ordinary.  Sorry I couldn't help.  As to the reports, you'd have to find someone who would be willing to spend computer time tracking all the GPS satellites backward to that date and time to see how many satellites were in the sky over your region at that time.  But as the experts have said (I'm pretty new to this) in this day and age, if GPS went down, there would be such serious economic and social consequences that it would be the headline story on CNN and CNBC.  My vote is some punk or malcontent on a water tower playing with a GPS jammer, I'm afraid.  =)

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A "truck jammer" isn't what you would use to take out a large area, you would need >100,000 of that sort of jammer. Since the truckers that use them get fired, there's a limited number of them in use …

Considering they cost $30, and they're not that easy to detect, I think it's a bigger problem than that.  If the trucking company's GPS logging system is always failing, they may *think* the driver is using a jammer, but they probably don't *know*, so the driver just winds up not getting called for trips.  But that same driver will go work for another company, carrying the jammer in his/her pocket.

In fact, even if the driver were caught by the FCC, AND they filed an enforcement action, I doubt it would show up in the usual background check.  It's not on your "driving record" or "criminal record", which are the things that people hiring drivers check.

If the driver were actually caught by the trucking company, I doubt they'd tell the FCC (since the FCC will come after the company too), and there's probably no law enforcement involvement.  The driver is terminated, and if someone were to ask, the company would just reply "yes, they worked as a driver from %date% to %date%".  I can't imagine a company telling someone calling for a reference about a driver using a jammer: there's too many downsides.  It's not cut and dried like "oh, Bob was terminated when he wrecked 3 trucks" or "came into work after being awake for 3 days straight waving a sword".  Those kinds of things are objective and easy to report.

But as you say, you'd need a lot of eBay GPS jammers to cause a large area outage.  We here on Time-Nuts, of course, are far more sophisticated, and with the thousands of dollars worth of equipment, and millions of hours of experience (cumulatively), it would be short work for one of us to deny GPS to a significant area.  Just sayin' ... {Let me go out to my garage and start warming up the filaments and start the water cooling system on the L-band Klystron. I need to drive up to the top of Mt. Wilson where I have a good view of the LA basin, bwa-ha-ha-ha...}

That said, if the "event" is simply toggling into holdover and then immediately popping back out, there's a lot of things that can cause that. Exactly what depends a bit on how long the firmware takes to declare a loss / recovery of GPS.

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No unusual GPS blips noticed here with my Z3801a on Long Island, NY either. The SVN 4 may have caused a holdover event to download a new almanac and some receivers were not happy doing that if only "seeing" a few birds and/or poor geometry in NE area at that time.

FCSTDV, or Forecast Delta-V, gives scheduled outage times for Delta-V maneuvers. The satellite is moved during this maintenance and the user may be required to download a new almanac.

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Please forgive me for the BW......

My day-job mgmt. has also asked me today if I knew of any US regional GPS "issues", as we too have had several reports of our customers systems going into Rb hold-over on or about the 4th of Sept. Only fact I can find is that SVN 4 was noted as an issue via:
http://adn.agi.com/SatelliteOutageCalendar/SOFCalendar.aspx

But that can't be the root cause.

At work, I am now the "go-to-guy" for ANYTHING GPS related since I'm a Time-Nut and we have customers who depend on GPS timing for their  comm. systems;  and for reasons I cannot go into here on this reflector.

So like Brad ... I too have anecdotal reports of issues.  The sky is not falling, nor was it a serious issue.

However if anyone has info that they cannot share via the reflector, a private reply would be much appreciated. I am not looking for info that cannot be openly shared. But if anyone has hint or clue, I would much appreciate it.

BTW ... my GPS receivers here in VA seemed to have had no issue. Go figure.

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Trimble has confirmed to us that the nonstandard outage on PRN 4 (SVN 34) may have caused the Resolution-T receivers to perform a reset and then return to normal operation. They are investigating the cause but it does explain why only some people experienced the event. Other Trimble receivers and other manufacturers seem unaffected.

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Source:From the Time-Nuts Discussion of precise time and frequency measurement.

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Product Support Services, Inc.

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Readington man fined $32,000 after FCC says device jammed Newark airport navigation

Aug. 9, 2013


An airliner takes off from Newark Liberty International Airport. / NJ Press Media file

Written by
Sergio Bichao

READINGTON — A township man trying to elude his employer instead was caught by federal investigators cracking down on GPS-jamming devices.

Gary P. Bojczak is facing a $32,000 fine from the Federal Communication Commission after authorities found that a jamming device in his company pickup truck had interfered with the satellite-navigation system of Newark Liberty International Airport last August.

The FCC and the Federal Aviation Administration tracked the device to his red Ford F-150 pickup truck. Bojczak admitted that had installed the jammer in order to block the GPS trackers that his company had installed on the truck.

Federal law prohibits the use, sale or manufacturing or importing of jammers — which also are used to block cell phone signals. The devices are a growing threat to public safety, according to federal officials, who've set up a special website devoted to the issue: gps.gov/spectrum/jamming .

Jammers sometimes are used by people or businesses to create "quiet zones," where cell phones won't work — or by professional drivers who don't want employers to know that they're moonlighting with company vehicles.

But federal officials say jammers have dangerous unintended consequences, such as blocking navigation systems of aircraft and ships and disrupting police, fire and emergency communications.

Bojczak could not be reached for comment Friday. He has a month to pay the fine or challenge the decision.

The FCC said Bojczak's "conduct was particularly troubling" and considered fining him a steeper $42,500 before deciding on a lower amount because he agreed to surrender the device.

Bojczak was caught at an airport gate by an agent who used handheld equipment to detect the radio emissions from the truck.

Catching culprits usually is not that easy. In a presentation to a trade group last year, John Merrill, manager of the national Department of Homeland Security's office of Position, Navigation and Timing, said it took FAA and FCC officials a year and five months to nab just one GPS jammer at Newark's airport in 2011.

Source: myCentralNewJersey.com

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Brad Dye, Ron Mercer, Allan Angus, Vic Jackson, and Ira Wiesenfeld are friends and colleagues who work both together and independently, on wireline and wireless communications projects. Click here left arrow for a summary of their qualifications and experience. Each one has unique abilities. We would be happy to help you with a project, and maybe save you some time and money.

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4Glenayre QT4201 & 6201, 25 & 100W Midband Link TX
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1Glenayre QT6994, 150W, 900 MHz Link TX
3Motorola 10W, 900 MHz Link TX (C35JZB6106)
1Motorola 30W, Midband Link TX (C42JZB6106AC)
2Eagle 900 MHz Link Transmitters, 60 & 80W
5Glenayre GL C2100 Link Repeaters
2Motorola Q2630A, 30W, UHF Link TX
VHF Paging Transmitters
1Glenayre QT7505
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12Motorola VHF 350W Nucleus NAC Transmitters
9Motorola VHF 350W Nucleus C-Net Transmitters
3Motorola PURC-5000, VHF, 350W, ACB Control 
UHF Paging Transmitters:
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3Motorola PURC-5000 110W ACB Transmitters
900 MHz Paging Transmitters:
3Glenayre GLT 8600, 500W
2Glenayre GLT8200, 25W
15Glenayre GLT-8500 250W
40Motorola Nucleus 900MHz 300W CNET Transmitters
9Motorola PURC 5000 300W, 900MHz ACB Control

SEE WEB FOR COMPLETE LIST:

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critical alert CA Partner’s Program
 

Providing better communications solutions to hospitals across the country — together!

For CAS, strong partnerships remain key to providing our software-based communications solutions to our customers. These solutions include:

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We provide the communication, training and resources required to become a CA partner. In turn, our partners provide customers with the highest levels of local service & support. CA Partners may come from any number of business sectors, including:

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If you would like to hear more about our CA Partners program, we’d love to hear from you. criticalalert.com

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Selected portions of the BloostonLaw Telecom Update, and/or the BloostonLaw Private Users Update —newsletters from the Law Offices of Blooston, Mordkofsky, Dickens, Duffy & Prendergast, LLP are reproduced in this section with the firm's permission.

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BloostonLaw Telecom Update Vol. 16, No. 31 September 4, 2013

Headlines

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Clients May Need Waivers of the Newly-Enacted Text-to-911 Bounce-Back Message Requirement; FCC's Staff Clarifies Certain Issues

The FCC's recently adopted Text-to-911 bounce-back message requirement goes into effect on September 30, 2013. As discussed below, there are indications that technology may not be available in time for sending the bounce-back message to roamers as required; and system upgrades may be needed to send the bounce-back messages to home customers. We encourage all affected clients to submit a waiver request before the September 30 deadline to cover the roamer shortfall, and determine ASAP if they can meet the bounce-back requirement for home customers (if not, the waiver request will need to be broader). Affected clients should contact us promptly.

Exempt Carriers

In response to a BloostonLaw inquiry, the Staff of the FCC's Public Safety and Homeland Security Bureau has clarified that, with respect to CMRS carriers, the requirement applies only to those carriers that offer two-way text-messaging capability . Stated another way, if a carrier does not offer two-way text messaging, it is not subject to the requirement. Thus, the following types of carriers are excluded from the requirement:

  1. Mobile carriers that do not provide text messaging capability.
  2. Carriers providing fixed services that do not provide text messaging capability.
  3. One-way paging carriers, because the customer can only receive (but not send) a text-message.
  4. Two-way paging carriers, in which the customer can send a responsive message, but only to other users on the paging system. According to the FCC's staff, these systems serve a "closed user group". As a result, the service is not deemed to be an interconnected service because it cannot access the Public Switched Telephone Network at large.

By way of background, on May 17, 2013, the FCC released a Report & Order adopting rules requiring wireless carriers and certain other text messaging providers to send an automatic "bounce-back" text message to consumers (including roamers) who try to send a text message to 911 where text-to-911 service is not available from a given Public Safety Answering Point (PSAP). The requirement applies to two-way texting service provided by the following types of wireless service providers: all Commercial Mobile Radio Service ("CMRS") providers (including Cellular, Broadband PCS, AWS, mobile 700 MHz and interconnected SMR services) as well as to all providers of interconnected text message services that enable consumers to send text messages to and receive text messages from all or substantially all text-capable U.S. telephone numbers, including through the use of applications downloaded or otherwise installed on mobile phones. However, legacy devices that are incapable of sending texts via three digit short codes are not subject to the bounce-back message requirement, provided the software for these devices cannot be upgraded over the air to allow text-to-911 functionality. In addition, the bounce-back message requirement does not apply to non-service initialized handsets.

The new requirement is intended to help protect the public by substantially reducing the risk of consumers sending a text message to 911 and mistakenly believing that 911 authorities have received it. Instead, under the new rules, consumers will receive an immediate response that text-to-911 is not supported in that area and to contact emergency services by another means, such as by making a voice call or by using telecommunications relay services (if deaf, hard of hearing, or speech disabled) to access 911. While the FCC declined to adopt a requirement to use specific wording for the message, the FCC stated that the following message would be compliant: "There is no text-to-911 service available. Make voice call to 911 or use another means to contact emergency services."

The FCC noted that deployment of Next Generation 911, including text-to-911 service, has begun, but the transition is still in the very early stages and will not be uniform. During the transition, text-to-911 will be available in certain geographic areas sooner than others and may be supported by some service providers and PSAPs but not others. In addition, as text-to-911 becomes more widely available, it is likely to raise consumer expectations as to its availability, which makes it increasingly important for the public to know when the service is not available in an emergency. To address these concerns, the FCC is requiring wireless carriers and "interconnected" text message providers – that is, providers of software applications that enable consumers to send text messages to and receive text messages from all or substantially all text-capable U.S. telephone numbers – to implement the bounce-back message capability no later than September 30, 2013, although the FCC encourages carriers and others to provide the bounce-back capability at an earlier date if possible. This requirement does not apply to certain text message applications that reach only a defined set of users, such as those within games and social media.

Please contact us immediately if you are unsure whether your company's wireless services are subject to the Text-to-911 bounce-back requirement. In addition to the need for waivers in connection with providing bounce-back text messages to roamers, you may need to request an additional waiver by the September 30, 2013 deadline if your system cannot generate the required text message to home customers as discussed above.

FCC Seeks Comment on Imposing More Cramming Rules on Carrier Billing Practices

The FCC's Consumer and Governmental Affairs Bureau (Bureau) is seeking comments to refresh the record on the need for more rules in connection with cramming, the placing of unauthorized charges on wireline and wireless bills, in light of developments and additional evidence related to this practice. On April 27, 2012, the FCC adopted rules to address cramming on wireline bills. The FCC's rules require wireline providers that currently offer blocking of third-party charges to notify consumers of this option on their bills, carrier websites, and other points of sale. The rules also require all wireline providers to place non-carrier, third-party charges in a distinct bill section separate from all carrier charges, and to provide separate totals for carrier and non-carrier charges. In a Further Notice of Proposed Rulemaking (FNPRM), the FCC asked for comment on whether it should take additional steps to prevent wireline cramming, including requiring carriers to obtain a consumer's affirmative consent (opt-in) before placing third party charges on bills. The FCC also asked for comment on possible regulatory and non-regulatory measures to address cramming that involves CMRS consumers.

Since that time, the FCC notes that certain developments have taken place that warrant seeking further comment on this issue. Specifically, the FCC notes that in addition to the FCC's cramming rules, major wireline carriers made voluntary commitments to cease including most third-party charges on telephone bills. In May 2013, forty state and territorial attorneys general expressed concern to the Federal Trade Commission (FTC) about the growth of cramming on CMRS bills . The FCC states that recently published state studies indicate that half of all CMRS bills contain unauthorized charges. In addition, FCC and FTC workshops uncovered information on the extent of the cramming problem and possible ways to verify consumer consent to third-party charges.

The Bureau seeks comment on these developments and on all issues raised in the FNPRM, including the current extent of cramming for consumers of wireline and CMRS services and the need for an opt-in requirement. With respect to wireline carriers, the Bureau seeks comment on whether additional rules are necessary to combat wireline cramming; the extent to which wireline cramming remains a problem for subscribers of carriers that have not voluntarily ceased including most third-party charges on their bills; and whether different measures to combat cramming are appropriate for small and rural wireline carriers.

With respect to wireless carriers, the Bureau seeks comment on whether new measures to combat CMRS cramming are appropriate and what those measures might be. The Bureau also seeks comment on whether different measures might be more appropriate for small and rural CMRS carriers than for other CMRS carriers.

Wireline and wireless carriers interested in filing comments in this proceeding should contact us. The comment and reply comment date will be established on publication in the Federal Register.

Rural Utilities Service Offers Suggestions on Improving Broadband Access

The Administrator of the U.S. Department of Agriculture's Rural Utilities Service sent a letter to acting Chairwoman Clyburn on August 14, 2013, to express its concern about network investment in rural areas after the issuance of the 2011 Transformation Order, and suggested three modifications to FCC processes.

Speaking generally, the RUS Administrator stated that the "U.S. Department of Agriculture remains concerned over network investment in rural communities upon the issuance of the USF Transformation Order, and that there "is little doubt that the changes to existing high-cost support rules as well as the pending cuts outlined in the Further Notice of Proposed Rulemaking have also impacted carrier investment decisions." While expressing its appreciation for recent changes in the Quantile Regression Analysis model, RUS expressed its belief that additional actions could be taken to improve the existing Transformation Order:

First, maintain a 15% maximum impact HCLS reduction through 2018 (i.e., a total of five years at the 15% level) instead of only through 2014.

Second, expand CAF for all carriers to provide support for stand-alone broadband service. According to RUS, supported services should not be limited to the "voice telephony service" definition, but rather expanded to encourage greater adoption of broadband service by rural consumers.

Third, modify the existing carrier waiver process. RUS noted that it is unclear how the FCC uses specific metrics and standards to determine the merit of each carrier's waiver petition, and encouraged the FCC "to modify the existing waiver process in order to create a more transparent process for all carriers." As an example, RUS noted that the recent "denial of Adak Eagle Enterprises' waiver application puts this RUS loan at risk for potential default;" and that the "FCC's reasoning, in part, sets bad precedent that all other outstanding RUS loans to rural providers may be treated in the same manner." RUS stated its position "that in instances where Federal debt is at risk due to a denied waiver, RUS should be given deference during that decision-making process."

Challenge Process For Round 2 of CAF Phase I Begins

On August 28 the Wireline Competition Bureau issued a Public Notice on August 28, 2013 beginning the challenge process for the second round of Connect America Fund Phase I funding. The Public Notice includes a list of all of the census blocks for which price cap carriers have requested funding. Through the challenge process, carriers are able to file with the FCC to demonstrate that census blocks are actually served (by Internet access at speeds of 3 Mbps down and 768 kbps up), and therefore are ineligible for funding. Challenges are due September 27; responses due October 28.

According to the May 22, 2013 Order adopting the challenge process, all challenges must be supported by some form of documented evidence, such as a signed certification from an officer of the provider under penalty of perjury that the carrier offers 3 Mbps/768 kbps Internet service to customers in that particular census block. The Bureau may also consider FCC Form 477 data in evaluating whether a provider is providing broadband in a particular census block. Where the Bureau finds it more likely than not that the status of a census block should be treated differently than the status shown on the National Broadband Map, the Bureau will deem that census block as served or unserved, as appropriate, for the purposes of Connect America Phase I.

The Public Notice also includes a link to an Excel spreadsheet of the price cap carriers' census block submissions to make for easier review. The spreadsheet can be found here . BloostonLaw has assisted clients in successfully challenging Mobility Fund Phase I census block classifications and is prepared to assist clients in Connect America Fund Phase I.

Sender of a Text Message May be Civilly Liable for NJ Car Accident

A New Jersey appeals court panel last week ruled that the sender of a text message may be held liable for damages if the person to whom they are sending a text gets into a crash.

As in many states, New Jersey has a distracted driving law that makes it illegal to use a cell phone that is not "hands-free" while driving, except in certain specifically-described emergency situations. Offenders are subject to a fine of $100. The NJ Legislature also enacted a law last summer designed to assist in the criminal prosecution of violators of the hands-free law who cause serious crashes. That measure permits a jury to find that a driver who was using a hand-held cell phone and caused injury in an accident may be guilty of assault by auto, a fourth-degree crime if someone was injured seriously, thus exposing the driver to a potential sentence in state prison. However, neither of these laws addresses the novel issue of liability for the person on the other end of the line — across town or possibly thousands of miles away - who exchanged text messages with the distracted driver.

This very issue was raised by a New Jersey lawyer whose clients, a married couple, both lost their left legs when a teenage boy driving a pickup truck hit their motorcycle on Sept. 21, 2009. The teen was texting and driving when the accident occurred.

After the couple settled their lawsuit against the driver, they turned around and sued the driver's 17-year-old friend who was shown to be exchanging texts with the driver at the time. Her lawyers argued that she should have no liability for the accident because she was not present at the scene, had no legal duty to avoid sending a text to someone who was driving, and that she did not know that her friend was driving. After reviewing the evidence and arguments of the attorneys, the trial judge concluded that the young woman did not have a legal duty to avoid sending a text message to her friend, even if she knew he was driving. The judge then dismissed the plaintiffs' claims against the young woman.

On appeal, the court rejected the defendant's argument that a sender of text messages never has a duty to avoid texting to a person driving a vehicle.

"To summarize our conclusions, we do not hold that someone who texts to a person driving is liable for that person's negligent actions; the driver bears responsibility for obeying the law and maintaining safe control of the vehicle," the appeals court wrote.

"We hold that, when a texter knows or has special reason to know that the intended recipient is driving and is likely to read the text message while driving, the texter has a duty to users of the public roads to refrain from sending the driver a text at that time," two of the three appellate court judges agreed in the opinion.

While the appellate court's ruling sets precedent and makes new law in the State of New Jersey only, civil liability for the remote sender of a text could conceivably extend to anybody who sends a text message to someone they know is driving and who happens to be traveling in New Jersey when an accident occurs. It will not be surprising for other states to take a similar approach. With students going back to school, our clients should take this opportunity to warn their customers, young and old, of the dangers of distracted driving and the potential for liability for sending text messages to someone they know is behind the wheel.

Industry

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Verizon Agrees to Buy Vodafone Interest in Verizon Wireless for $130 Billion

On Monday, Verizon Communications Inc. announced that it would acquire Britain's Vodafone Group Plc to acquire Vodafone's 45% interest in Verizon Wireless for $130 billion in cash and stock. The transaction is subject to customary closing conditions, including regulatory approvals and the approval of both companies' shareholders, and is expected to close in the first quarter of 2014.

The Guardian (UK) has reported that chief executives of the two companies thrashed out the deal on Saturday morning, and it was approved by directors of the UK and US businesses on Sunday and Monday.

Lowell McAdam, Verizon chairman and CEO, said: "Over the past 13 years, Verizon Wireless has been a key driver of our business strategy, and through our partnership with Vodafone, we have made Verizon Wireless into the premier wireless provider in the U.S. The capabilities to wirelessly stream video and broadband in 4G LTE complement our other assets in fiber, global IP and cloud. These assets position us for the rapidly increasing customer demand for video, machine to machine and big data. We are confident of further growth in wireless, and our business in its entirety."

McAdam told Reuters in an interview that discussions with Vodafone CEO Vittorio Colao initially focused on combining Verizon and Vodafone before they decided that buying Vodafone's stake made more sense for both companies.

The deal, which is reportedly the third biggest transaction between two companies ever recorded, will be a windfall for bankers as well as Vodafone's shareholders. Verizon will pay Vodafone 58.9 billion in cash from a $61 billion Bridge Credit Agreement already entered into with J.P. Morgan Chase Bank, N.A., Morgan Stanley Senior Funding, Inc., Bank of America, N.A. and Barclays. Verizon intends to reduce the commitments under the Bridge Credit Agreement with the issuance of permanent financing.

As a wholly owned entity, Verizon believes its wireless unit will be better equipped to take advantage of the changing competitive dynamics in the market and capitalize on the continuing evolution of consumer demand for wireless, video and broadband services.

Nokia to sell mobile phone business to Microsoft

In another deal announced late Monday, Microsoft Corporation announced that it had reached an agreement to purchase the core cellphone business of Finland's Nokia for approximately $7.2 billion in cash.

As part of the deal, Microsoft will gain some 32,000 Nokia employees and patents to drive Microsoft's move into the mobile handset business. Microsoft will also regain the services of Stephen Elop, the chief executive of Nokia, who is expected to become successor to Microsoft CEO Steve Ballmer, who has announced plans to retire within 12 months.

Prior to joining Nokia as CEO in September of 2010, Elop, who is a Canadian citizen, was head of Microsoft's Business Division. In this capacity, he was responsible for the Microsoft Office and Microsoft Dynamics (enterprise resource planning and customer relationship management) line of products.

With this move into the wireless handset business, Microsoft is following the models of Apple, which has long manufactured devices that use the Company's software, and Google, which acquired the mobile phone business and patents of Motorola Mobility to bolster its development of products that use the Android operating system. But it has a long way to catch up. Microsoft currently holds about 3.2 percent of the mobile OS market as of the first quarter of 2013. In comparison, Apple's iOS is reported as having 17.3 percent of the market and Google's Android has a whopping 75 percent of the market.

Industry analysts have long speculated that Microsoft and Nokia would someday combine forces. The recent introduction by Nokia of the 41 megapixel Lumia 1020 camera phone, which uses the Windows Phone 8 operating system, marked a bold move in the mobile phone marketplace, and Elop's move to Nokia was seen by some as a "trojan horse" for Microsoft's strategic efforts.

The deal also represents the latest reinvention of the 150-year-old Finnish company, which began life as a manufacturer of rubber boots and car tires before retooling itself in the 1980s to become the world's largest manufacturer of cellphones. Nokia's fall has been swift and spectacular. As recently as 2010, Nokia was reported as controlling more than 60 percent of the smartphone market in China. By the first half of 2013, Nokia's market share had dropped to just one percent.

Calendar At A Glance

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Sept. 8 – Electronic filing deadline for Form 497 for carriers seeking support for the preceding month and wishing to receive reimbursement by month's end.
Sept. 16 – Comments are due on FCC's Notice of Proposed Rulemaking on E-Rate 2.0.
Sept. 18 – Reply Comments on reforms to protect VRS program are due.
Sept. 18 – Comments are due on FCC's Notice of Proposed Rulemaking on Advanced Wireless Services.
Sept. 20 – Regulatory fees are due.
Sept. 26 – FCC Open Meeting
Sept. 27 – Challenges to FCC Census Blocks that price cap carriers have requested funding to serve as part of the second round of CAF Phase I are due.
Oct. 8 – Electronic filing deadline for Form 497 for carriers seeking support for the preceding month and wishing to receive reimbursement by month's end.
Oct. 14 – Deadline to seek extension of CALM Act small provider grace period.
Oct. 15 – Filing deadline for FCC Form 481
Oct. 16 – Reply Comments are due on FCC's Notice of Proposed Rulemaking on E-Rate 2.0.
Oct. 16 – Reply Comments are due on FCC's Notice of Proposed Rulemaking on Advanced Wireless Services.
Oct. 28 – Responses to FCC Census Blocks that price cap carriers have requested funding to serve as part of the second round of CAF Phase I are due.
Nov. 1 – Reply Comments are due on FCC's guidelines for human exposure to RF electromagnetic fields.

This newsletter is not intended to provide legal advice. Those interested in more information should contact the firm. For additional information, please contact Hal Mordkofsky at 202-828-5520 or halmor@bloostonlaw.com .

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PRISM PAGING

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Simple, Inexpensive Jammers Threaten GPS

September 2013
By Dan Parsons

When hunting for a particular restaurant or driving to a business meeting in an unfamiliar city, the global positioning system can be a lifesaver.

The satellite constellation also provides the backbone for nearly every navigational system used by the U.S. military. It is one of the tools that Air Force officials repeatedly describe as a "must have" in operations from routine training to combat missions on the ground, at sea and in the air.

Gen. William Shelton, commander of U.S. Space Command, said in June that the 31-satellite GPS system in orbit is "performing extremely well."

"This constellation just keeps on ticking," he said.

Such a valuable asset to the U.S. military and commercial sector, GPS presents a juicy target to potential adversaries and criminals alike, the Department of Homeland Security has recognized. Industry, acting on those concerns, is preemptively developing technologies to protect the GPS signal and identify anyone trying to disrupt its transmission.

The Air Force awarded contracts for the first eight satellites of the next-generation GPS constellation that will improve its capability and security. But back on Earth, technology has progressed to where portable, inexpensive, readily-available jammers threaten the GPS signal for commercial, civilian and military users.

GPS receivers have shrunk to fit inside a smartphone or in the dashboard of a car. But the same developments have made the signal that guides a person to the grocery store, or a warship into a harbor, vulnerable to interference.

An inexpensive Chinese-made jammer the size of a pack of playing cards can scramble a GPS signal enough to make trucks invisible to GPS tracking. Multiple jammers in one area have the potential to throw ships off course or interfere with airline navigation, Kevin Farrell, general manager for ITT Exelis' position, navigation and timing division, told National Defense.

Exelis recognized the vulnerability and preemptively developed a device that can turn the GPS infrastructure around on those trying to disrupt it. Signal Sentry can detect and geolocate the jamming signal so authorities can stop the interference.

"Jamming is a technology that is very simple and is available at the entry level — you can buy a $20 GPS jammer from the Chinese to keep your boss from knowing where you are delivering goods," Farrell said. "We have proactively developed the ability to geolocate multiple jammers and give law enforcement, port authorities or local governments that critical infrastructure."

GPS jamming is the act of interfering with the ability of receivers to lock onto the GPS signal, eliminating the ability of the user to determine 3D positioning or calculate other information such as time, speed, bearing, track, trip distance and distance to destination.

The availability and usage of low-cost GPS jamming devices have resulted in the increased threat of intentional and unintentional disruption to commercial and industrial systems that rely on precise GPS data.

There are several nefarious uses for GPS jammers, which are not illegal to own. Convicts serving house arrest can use them to confuse court-ordered ankle monitors. Commercial truckers can carry one to jam roll-through tollbooths or to evade efforts by their employers to track their routes.

Exelis originally developed Signal Sentry based on a DHS concern that GPS jamming might pose a risk to the United States, said Joe Rolli, program manager for the technology. Jammers could hypothetically be used to interfere with shipping on land and at sea, or to snarl navigation through maritime channels or at airports, he said.

"As commercial industry becomes more reliant on GPS, it creates a vulnerability to the nation's infrastructure," Rolli said. "There are a lot of people, for one reason or another, that don't want to be tracked. It might not be for an illegal reason, but they don't realize the unintentional impact they have on the larger infrastructure. There are more powerful devices that can be used intentionally to any number of ends."

The shipping lanes in and out of ports in New York and New Jersey are, for example, very narrow. Large container ships rely on GPS — especially in foul weather — to guide them into those ports. Several trucks with jamming devices all pulled into a port at once could severely disrupt commerce and have a ripple effect on the U.S. economy, Rolli said. GPS is even used to track VIPs and dignitaries at events like the Super Bowl, where jammers could be used to disguise their whereabouts for a number of purposes, including a potential kidnapping. National Football League officials have expressed interest in deploying anti-jamming technologies at the game, Rolli said.

The system is deployed in two parts. A network of sensors is placed throughout an area that could be targeted or unintentionally affected by GPS jamming. The array automatically detects jamming signals, gathers information about the device and geolocates the offender by displaying it on an Internet-based visual map of the area. The system can simultaneously identify and locate multiple jamming signals within a specified area.

"It works even without an operational GPS signal," said Joe Iaquinto, chief engineer for the Signal Sentry.

The company will soon host a demonstration somewhere in the Washington, D.C., area involving an array of 10 sensors networked to a server accessible to multiple local law enforcement agencies, Farrell said. Participants will survey an area of interest, deploy the sensors and then respond to a simulated GPS jamming incident.

The 1000 series Signal Sentry is aimed specifically at the civilian law enforcement and commercial sectors. Exelis officials have identified military uses and plan to launch a system designed for the Defense Department sometime in 2014, Farrell said.

The military uses its own, hardened GPS signal separate from the one that directs civilian users to the nearest drug store. M-code, as the signal is called, has a higher tolerance for jamming, but is not invulnerable.

Security for military GPS will be heightened when the Air Force finishes replacing the existing constellation with GPS Block 3. The service plans to buy as many as 32 satellites from Lockheed Martin that will add bandwidth and expand coverage worldwide. The first satellite is scheduled for launch in 2014.

Exelis has partnered with Raytheon and Lockheed to develop the next-generation GPS satellites. Both companies have had a hand in the system's development since it became operational in 1994. Exelis will provide the navigation technology on the spacecraft and for the control centers on earth. Exelis' first payload for the system is scheduled for delivery to the Air Force this calendar year, Farrell said.

Source: National Defense Magazine

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WiPath Communications

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Intelligent Solutions for Paging & Wireless Data

WiPath manufactures a wide range of highly unique and innovative hardware and software solutions in paging and mobile data for:

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PDT3000 Paging Data Terminal

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Hark Technologies

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  • Single channel up to eight zones
  • Connects to Linux computer via USB
  • Programmable timeouts and batch sizes
  • Supports 2-tone, 5/6-tone, POCSAG 512/1200/2400, GOLAY
  • Supports Tone Only, Voice, Numeric, and Alphanumeric
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  • Pictured version mounts in 5.25" drive bay
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  • Available as a daughter board for our embedded Internet Paging Terminal (IPT)

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  • Frequency agile—only one receiver to stock
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LETTERS TO THE EDITOR

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From:Vaughan Bowden vaughan@easysolutions4you.com
Subject:  GPS — Potential Problem
Date:September 5, 2013 2:38 PM
To:Brad Dye

Brad,

Enclosed is information on the GPS anomaly I witnessed on Tuesday September 3rd from about 4:30 to 6 PM EDT. We saw outages on at least four different devices connected to Trimble GPS receivers. Two were Glenayre LCC encoders and two were Glenayre C2000 series transmitter controllers.

There was rain in the area before the outage but no weather problems during the problem interval.

At the encoding site the three GPS receivers are mounted close to each other on the top of the building. All three experienced problems during this associated period but one had significantly more errors than the others. The one that failed the most (the backup system) would show 5 to 6 satellites and then suddenly report “Waiting for receiver” for 10 to 30 seconds and then jump quickly back to normal operation with 5 to 6 satellites. This failure sequence would repeat many times but there was no consistent pattern.

The estimated time delay would bounce from about 1–10 µsec (worse case being less than 20 µsec for just a few seconds). At one point it seemed to fail about 3 times every minute but then it changed to a more random pattern.

The fourth GPS receiver is located about 2 miles away at a transmitter site near the airport. This site was also up and down during the problem timeline.

I don't remember seeing a Glenayre system jump from “Waiting for receiver” to “5 satellites” so quickly. I also looked at similar equipment at another site ~130 miles away and it was working just fine. Later we checked with another associate and they had problems in New York and South Carolina.

Some thoughts:

  • Did others see similar problems?
  • Could this be some test or planned event?
  • Could this be a bad satellite that came into focus and later moved out of range?
  • Could this be a local jammer situation that covered both locations?

Thanks for your support of this important industry.

Best regards,

Vaughan Bowden
Easy Solutions
972-898-1119

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UNTIL NEXT WEEK

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With best regards,
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Newsletter Editor
73 DE K9IQY

Wireless Messaging News
Brad Dye, Editor
P.O. Box 266
Fairfield, IL 62837 USA

 

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