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The System

The System column from GPS World Magazine.


News
The System: GPS III Endures Bad Press, IIAs an OCX Concern   May 8, 2012

Reports in daily news media such as the Washington Post and Denver Post that “Lockheed Martin will lose its entire fee of about $70 million to defray an 18 percent cost overrun” on GPS III satellites misconstrue the facts. Don Jewell, contributing editor for GPS World, said after informal talks...More>>

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The System: eLoran Gets Trials, Possibly a New Life   April 1, 2012

eLoran Gets Trials, Possibly a New Life As result of a Cooperative Research and Development Agreement (CRADA) between the U.S. Coast Guard and UrsaNav, Inc., on-air tests are being conducted from the former Loran Support Unit site in New Jersey. PLUS: FAA's NextGen Plan, LightSquared, Galileo,...More>>

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The System: NTIA, FCC Waiver No More on LS   March 1, 2012

NTIA, FCC Waiver No More on LS; In-Car Nav Scrutinized; SSTL-OHB Get More Galileo Sats; Funding for NextGen, Unmanned Flight; Spectrum Swamp; Nevada OKs Unmanned Driving; SVN-49 Transmits; Compass Poised.More>>

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The System: U.S. DoD, DoT Tell FCC No LightSquared   February 1, 2012

Ashton Carter, U.S. deputy secretary for Defense, and John Porcari, deputy secretary for Transportation, have written an official letter to the assistant secretary of Commerce stating that “there appear to be no practical solutions or mitigations that would permit the LightSquared broadband...More>>

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The System: Galileo in Its Glory   January 1, 2012

The Galileo ProtoFlightModel (PFM) in-orbit validation (IOV) satellite GSAT0101 began transmitting E1 signals on December 10 using the E11 ranging code, and E5 signals early on December 14. Launched at the same time, Flight Model 2 (FM2), GSAT0102, has not yet started transmitting navigation...More>>

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The System: EGNOS Toolkits Enhance GPS Accuracy   December 1, 2011

Free downloadable software Toolkits at www.egnos-portal.eu can help cell-phone and handheld receiver developers enhance location and timing applications with GPS corrrection data from the European Geostationary Navigation Overlay Service (EGNOS) satellite-based augmentation system. The Toolkits...More>>

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The System: Galileo IOV Satellites Now in Orbit   November 1, 2011

The first two satellites for Europe’s Galileo global navigation satellite system were lofted into orbit October 21 by the first Russian Soyuz vehicle ever launched from Europe’s Spaceport in French Guiana in a milestone mission, reports the European Space Agency (ESA). The launch occurred one...More>>

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The System: Compass Signal ICD this Month   October 1, 2011

The long-awaited signal interface control document (ICD) for China’s growing GNSS will appear this month, according to representatives of the system who spoke in a “Compass: Progress, Status, and Future Outlook” workshop as part of ION GNSS and the CGSIC meetings in Portland in September. The...More>>

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The System: LightSquared Interference with GPS   July 5, 2011

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 at...More>>

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The System: Third Report by LightSquared/GPS Technical Working Group    June 1, 2011

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...More>>