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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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