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May 27, 2011

RTCA Report Show Serious LightSquared Interference to GPS Aviation

An executive summary of a special report by RTCA Inc. Special Committee 159 released today (May 27, 2011) indicates that GPS aviation receivers would experience serious interference from transmission planned by LightSquared in the upper portion of the 1525–1559 MHz spectrum adjacent to the GPS L1 band.

May 27, 2011

GPS Modernization on Agenda for June Space-Based PNT Advisory Board Meeting

The National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board will meet in Arlington, Virginia, on Thursday, June 9 and Friday June 10. The sessions are open to the public.

Among the agenda items are GPS modernization, interoperability with other GNSS systems, and future challenges to PNT service providers and users, such as protecting the emerging role of PNT in cyber networks, including the need for backups.

June 21, 2011 - June 22, 2011
Noordwijk, Netherlands
May 24, 2011

Septentrio Announces AsteRx-m 'Ultra-Compact' GPS/GLONASS RTK Receiver

Septentrio has announced plans to release the AsteRx-m, a low-power GPS/GLONASS dual-frequency RTK receiver that is smaller than a credit card.

The new board, which will begin shipping in the third quarter of 2011, is aimed specifically at integration in handheld devices, mobile computing platforms, and other solutions requiring high accuracy combined with low power in applications where space is at a premium. The new receiver covers the functionality range from GPS-L1 only to full GPS-GLONASS L1-L2

May 24, 2011

Hemisphere Reports Revenue Jump, Profit for Q1 2011

Hemisphere GPS, Inc., has reported revenue growth of 41 percent and a return to profitability in the first quarter of 2011 for the three months ending March 31.

For the quarter, the Calgary, Alberta, Canada–based company generated $21.2 million in total revenues, compared to US$15.1 million in the first quarter of 2010. Revenues from all market segments increased in the first quarter of this year.

Inside GNSS • May/June 2011

Homeland Security Steps Up to Protect GPS (But Not from LightSquared)

After a long series of fits and starts, the Department of Homeland Security is tackling the issue of interference to the GPS signal. The agency has launched a study to assess the risks to GPS service from a variety of sources — a study that, at least on paper, will lead to a plan to mitigate interference.

Unfortunately, the effort will not directly address the one potential problem consuming the thoughts of the GPS community — widespread receiver overload from the high-powered mobile broadband service proposed by the Virginia firm LightSquared.

June 9, 2011
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May 14, 2011

Indian Navigation Augmentation Satellite GAGAN Delays Launch by One Day

[UPDATED MAY 16] India's GPS-Aided and GEO-Augmented Navigation (GAGAN) spacecraft will be carried into orbit on an Ariane-5 launcher from the European Space Agency (ESA) spaceport in Kourou, French Guiana on May 21, 2011, according to an announcement from ISRO, the Indian space agency.

May 15, 2011

Going to JNC? May 30 is the approval deadline for Canada, UK, Australia Attendees

Online registration is open for the 2011 Joint Navigation Conference,  scheduled for June 28-20 in Colorado Springs, Colorado.

The FOUO event is the largest endorsed U.S. military navigation conference of the year, with joint service and government participation.

The annual JNC focuses on technical advances in guidance, navigation and control; especially on joint development, testing and support of affordable systems, logistics and integration.

May 15, 2011

GPS Technology and People Behind Gravity Probe B's Einstein Relativity Experiment

NASA's May 3 announcement that its long-running Gravity Probe B (GP-B) mission had confirmed two key predictions derived from Albert Einstein's general theory of relativity, mentioned GPS autoland techniques as one of the projects spinoffs.

However, the involvement of GPS technology and GPS experts in the mission was much deeper than the passing reference in a press release.

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