TAG: LightSquared

Spectrum Interference Standards: Seeking a Win-Win Rebound from Lose-Lose

January 1, 2013By
IMG00118-20100716-1251

Based upon lessons learned from the LightSquared situation, the author identifies important considerations for GPS spectrum interference standards, recommended by the PNT EXCOM for future commercial proposals in bands adjacent to the RNSS band to avoid interference to GNSS. read more

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ION, LightSquared, and GPS IIF-3

October 10, 2012By
Stained-glass

By Don Jewell It had to happen sometime. I just thought or hoped it might take a few more years. But I guess I should not be surprised since I experienced a wonderful 30-year U.S. Air Force (USAF) career and that has been over for more than a decade. I have been working GPS issues since 1978. So I guess... read more

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J-Shield from JAVAD to Counter Interference

August 21, 2012By

  JAVAD GNSS announces that it has improved its GNSS protection filters, not only to protect the L1 band against all interferences (including LightSquared 10L, 10H and 10R handset), but to protect against all other interferences which may come in any other GNSS band. The company calls its improved filter the J-Shield, and states that it will “help make the... read more

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LightSquared and Another FCC Issue You Should Be Aware of

June 29, 2012By

Although the LightSquared issue seems to have waned, it's like a virus in that it's really difficult to erradicate it completely. However, Harbinger Capital Partners (LightSquared's primary financial backer) and LightSquared are facing tougher problems than they have since they've started this adventure, not only from their technical foes but now from the U.S. Securities and Exchange Commission (SEC). read more

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LightSquared’s Philip Falcone and Harbinger Charged with Securities Fraud

June 29, 2012By

The Securities and Exchange Commission today filed fraud charges against New York-based hedge fund adviser Philip A. Falcone and his advisory firm, Harbinger Capital Partners LLC for illicit conduct that included misappropriation of client assets, market manipulation, and betraying clients. read more

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LightSquared Bankrupt, But Spectrum Void Still Beckons

May 15, 2012By

By Alan Cameron. LightSquared, the company that mounted a powerful threat to GPS signals, declared bankruptcy on May 14, after losing a lengthy struggle in the court of the Federal Communications Commission (FCC) with the GPS industry, the U.S. military (behind the scenes), the Federal Aviation Administration, and many other GPS users. However, the vacuum into which Lightsquared sought to... read more

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Letter to the Editor: Suggestion to Protect Bandwidth

May 7, 2012By

In your March editorial, “The Fire Next Time,” you ask for suggestions to protect against another LightSquared encroachment. The solution is remarkably simple. Just let the same bandwidth be used for space downlink as it was originally intended. That would be both innocuous to GPS receivers and, more importantly, stake the ground against future challenges like LightSquared. — Alan Browne Lorraine, Quebec read more

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Out in Front: Independence: A National Value

April 1, 2012By

Advanced low-frequency (LF) signals are back on the air in North America, with live testing of a wide-area precise-timing solution. Initial tests include a comprehensive pallet of signals, including eLoran, that are being evaluated for their ability to provide a robust, wide-area, wireless precise-timing alternative that can operate cooperatively with GPS, or during periods of GPS unavailability. read more

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