The System

The System: LightSquared Interference with GPS

July 1, 2011By

And the Beat Goes on Developments in the LightSquared saga came fast and furious in June; highlights are listed below and briefly recapped in the adjacent news story. It will be dated by the time you receive this issue, as it went to press three weeks prior. For current events, see Top Story and Latest News, and the full versions... read more

This article is tagged with and posted in GNSS, OEM, Survey News, The System, Transportation

The System: Third Report by LightSquared/GPS Technical Working Group

June 1, 2011By

Plus: Locata as Alternative PNT, Indian SBAS, Galileo Launch Slow but steady progress of the Working Group (WG) convened by the Federal Communications Commission (FCC) to study the GPS overload/desensitization issue is related in the group’s Third [monthly] Pogress Report, filed with the FCC on May 16. For the third consecutive time, the report contains little in terms of actual... read more

This article is tagged with , and posted in Augmentation & Assistance, Galileo, GPS Modernization, The System

The System: Second Report by LightSquared/GPS Technical Working Group Maps Terrain, Does Not Yet Explore

May 1, 2011By

Plus: GLONASS CDMA Tracked, Third Beidou-2 Launched The second report from non‐governmental members of the LightSquared/GPS Technical Working Group (TWG) was filed with the Federal Communications Commission (FCC) on April 15. For those anxious to see actual results of interference/desensitization of GPS receivers by the proposed LightSquared terrestrial signal — or, conversely, absence of said results — the report does not contain... read more

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The System: First GPS Intereference Report Sent to FCC

April 1, 2011By

First Overload Interference/Desensitization to GPS Receivers, Systems, and Networks Report to FCC; Plus Save Our GPS Coalition Forms; WAAS Official Again; EGNOS SOL Operational; Russian SBAS Satellite Passes Transponder Tests read more

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The System: Test Data Predicts Disastrous GPS Jamming by FCC-Authorized Broadcaster

March 1, 2011By

Representatives of the GPS industry presented to members of the Federal Communications Commission (FCC) laboratory evidence of interference with the GPS signal by a proposed new broadcaster on January 19 of this year. The meeting and subsequent filing did not dissuade FCC International Bureau Chief Mindel De La Torre from authorizing Lightquared to proceed with ancillary terrestrial component operations, installing... read more

This article is tagged with , and posted in Galileo, GNSS, GPS Modernization, The System

GLONASS K-1 Launch Delayed Twice, Rescheduled for Tomorrow

February 25, 2011By

  GLONASS-K is moved to the launchpad. News courtesy of CANSPACE listserv. According to a Roscosmos report, the state commission governing rocket launches will launch GLONASS-K1 on February 26 at 03:06 UTC. The launch of GLONASS-K1 has been pushed back for “technical reasons.” The original schedule called for a February 24 launch. Quoting the commander of the Russian Space Forces,... read more

This article is tagged with and posted in GLONASS, GNSS, The System

The System: FCC Asked to Authorize Potential Interferer

February 1, 2011By

In November, December, and January, a regulatory drama with high potential impact on the GPS signal and domestic U.S. GPS users began unfolding before the Federal Communications Commission (FCC). As this magazine goes to press on January 24, the issue remains far from resolved, although hearings and far-reaching decisions may have transpired by mid-February. A company called LightSquared applied to... read more

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The System: GLONASS Blows Itself off Course

January 1, 2011By

Surplus fuel loaded in error onboard the launch rocket caused loss of three new GLONASS satellites on December 5. The mishap burdened the DM-3 booster rocket with an excess of 1.5 to 2 tons of fuel, causing it to deviate from its course after blast-off and dive into the Pacific Ocean instead of reaching orbit altitude — dashing hopes for an imminent,... read more

This article is tagged with and posted in Aviation & Space, Galileo, GLONASS, GNSS, Government, The System