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October 29, 2011

Getting Personal: LightSquared-GPS Interference Issue May Heat Up PNT Advisory Board Meeting

The National Space-Based Positioning, Navigation, and Timing (PNT) Advisory Board will meet next week, where the issue of interference to GPS from LightSquared’s terrestrial wireless broadband transmitters will get another airing.

New Builds • October 11, 2011

Interstate Launches First Common GPS Module–Based Receiver

L-3 Interstate Electronics Corporation (IEC) unveiled its next generation, military GPS receiver — incorporating a Common GPS Module (CGM) — at the Association of the United States Army (AUSA) 2011 Annual Meeting and Exposition currently under way in Washington, D.C.

The company’s first CGM product processes precise code (P-code), coarse/acquisition code (C/A) code, and the modernized military M-code signals. In addition, the new design provides a common security architecture including improved anti-jam and anti-spoof capabilities.

September 30, 2011

LightSquared Interference to GPS Reports Pack the Room at ION GNSS 2011

While a representative for a proposed broadband network assured attendees at a recent satellite navigation meeting that their telecom system could co-exist with the Global Positioning System, a panel of GPS experts raised new doubts about the broadband system and interference from its handsets.

September 15, 2011

LightSquared Would Jam GPS, Defense Officials Tell Congress

Amidst a storm of political controversy and the conspicuous absence of a key administration witness, Department of Defense (DoD) officials told members of Congress today (September 15, 2011) that a proposed broadband wireless service would degrade or render useless billions of dollars of equipment essential to military operations.

September 14, 2011

FCC Calls for More Testing of Lightsquared Interference to GPS; White House Ties Revealed

In a remarkable change of momentum, the Federal Communications Commission (FCC) issued a public notice yesterday (September 13, 2011) stating that “additional targeted testing” is needed in the matter of LightSquared Subsidiary LLC’s interference to GPS.

September 8, 2011

Officials Decry Risks of Severe GPS Interference; LightSquared Makes New Offer

LightSquared told a congressional committee today (September 8, 2011) that it would limit the on-the-ground power of its signals to avoid overpowering GPS receivers, which use frequencies next door that the company proposes to have rezoned for its high-powered wireless broadband network.

Inside GNSS • September/October 2011

Looming Budget Hurricane Could Swamp the GPS Landscape

Budget storms have reappeared on the horizon and the fore¬cast for defense expenditures, including for the GPS program, is grim with a high probability of ugly.

Inside GNSS • September/October 2011

A Comprehensive Reference for OPUS

CORS and OPUS for Engineers
Edited by Tomás Soler
PUBLISHED BY THE AMERICAN SOCIETY OF CIVIL ENGINEERS

Inside GNSS • September/October 2011

Everywhere Navigation

Consumer demand for positioning information is currently being met by a plethora of wireless positioning technologies. The most popular consumer positioning technology, GNSS, is only one option along with several methods that use cellular networks to provide location, such as wireless local area networks (WLANs), wireless personal area networks (WPANs), radio frequency identification (RFID) tags, and ultrawideband (UWB) communications.

Inside GNSS • September/October 2011

GPS III

In May 2008, Lockheed Martin Space Systems Company received a contract from the U.S. Air Force to develop a new, third generation of GPS satellites. The GPS III space vehicle (SV) has been designed (Figure 1, see inset photo, above right) and is now being built to bring new future capabilities to both military and civil positioning, navigation, and timing (PNT) users throughout the globe.

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