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June 23, 2011

House Appropriations Bill Cautions FCC on LightSquared GPS Interference

The U.S. House of Representatives Appropriations Committee today (June 23, 2011) approved action that would prevent the Federal Communications Commission (FCC) from expending any funds related to a conditional waiver it granted a company called LightSquared until all concerns have been resolved about interference with Global Positioning System (GPS).

June 23, 2011

LightSquared Interference Could Cause $96 Billion a Year in GPS Commercial Losses

Research released yesterday (June 22, 2011) indicates that interference from LightSquared cellular broadband transmitters could cost manufacturers and users of commercial GPS technology up to $96 billion in annual losses.

June 22, 2011

GLONASS, Galileo Finances Star at Paris Air Show

Supporters of Europe’s Galileo system got some good news today (June 22, 2011) at the Paris Air Show: savings in the program have freed up funds that may be able to support acquisition of at least six additional spacecraft by 2014.

Taking part in a signing ceremony for the final Galileo work packages, European Commission Vice President Antonio Tajani announced that improved program management and cost-cutting by industry vendors could free up €300 million ($482.8 million) — enough to ensure that 24 satellites could be launched by 2015.

June 20, 2011

After Seeking FCC Extension, LightSquared Has a New Plan for GPS

In what looks like a pre-emptive strike in the wake of extensive evidence that its proposed terrestrial wireless broadband transmissions will interfere with GPS receivers, LightSquared today (June 20, 2011) proposed to solve the problem by cut the power of its base stations in half and temporarily use a bandwidth further away from GPS.

June 16, 2011

LightSquared Gets Two-Week Extension on GPS Interference Report; Congressman Calls on FCC to Rescind Waiver

With test results and congressional sentiment running against it, LightSquared has received a two-week extension for filing its report and recommendations, due to the Federal Communications Commission (FCC) yesterday (June 15, 2011), on likely interference to the GPS L1 band.

Meanwhile, a congressional critic of LightSquared's effort to roll out a 4G/LTE broadband cellular service adjacent to the GPS frequency has called on the agency to rescind its waiver of limits on the company's plans to build a high-powered national network of terrestrial transmitters.

June 15, 2011

Completion of Satellite Repositioning Optimizes GPS Constellation

Successful  completion today (June 15, 2011) of the rephrasing of the GPS constellation known as “Expandable 24,” has produced the most optimal geometry in the system’s 42-year history, maximizing GPS coverage for all users worldwide.

The 2nd Space Operations Squadron (2 SOPS) of the 50th Space Wing at Schriever Air Force Base, Colorado, successfully executed the two-phase expansion and repositioning of satellites, which improves global GPS coverage and provides a more robust signal and higher probability of signal acquisition in terrain-challenged environments.

June 8, 2011

LightSquared GPS Interference Controversy Headlines National PNT Advisory Board Meeting

Representatives from the Federal Aviation Administration (FAA), LightSquared, and Trimble will weigh in on the GPS vs. LightSquared interference at the afternoon session of a National Space-Based Positioning, Navigation and Timing (PNT) Advisory Board meeting tomorrow (June 9, 2011).

June 7, 2011

Genachowski Defends FCC Role in LightSquared, GPS Interference Controversy in Letter to Senator

A belated response from Julius Genachowski, Federal Communications Commission (FCC) chairman to Republican Senator Charles Grassley’s request for documents surrounding the LightSquared effort to broadcast near the GPS L1 band appears unlike to satisfy either Grassley or the GPS community.

June 2, 2011

Lt. Gen. Ellen Pawlikowski: First Woman to Assume Command of SMC, Home of GPS Directorate

On Friday (June 3, 2011), Lt. Gen. Ellen M. Pawlikowski will assume command of the Space and Missile Systems Center at Los Angeles Air Force Base, California, where the GPS Directorate is located along with other space-related program offices.

May 28, 2011

Make GPS Robust, Says AMS Report on Satellite Navigation and Space Weather

A new report by the American Meteorological Society (AMS) highlights the vulnerability of GPS-dependent critical infrastructures to disruptions caused by solar flares and other space weather events, and sets forth a series of recommendations for building robustness of the GPS service.

Entitled “Satellite Navigation & Space Weather: Understanding the Vulnerability & Building Resilience,” the report is based on a workshop organized by the AMS and held October 13–14, 2010 in Washington, D.C.

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