New LightSquared Plan Fails To Ease GPS Interference Worries

By Debra Werner, Space News, September 9, 2011

SAN FRANCISCO — A recent proposal by LightSquared to modify its plans to deploy a U.S. broadband network in a way that would decrease its interference with GPS receivers has done little to allay concerns raised by representatives of federal agencies that rely on precise GPS signals for transportation, communications, weather forecasting, disaster response and scientific research. Government executives testifying Sept. 8 before the U.S. House Science, Space and Technology Committee called for additional testing of the proposed LightSquared network in light of the company’s plan submitted June 30 to the U.S. Federal Communications Commission (FCC) to mitigate its interference on GPS receivers by concentrating its initial service to a 10-megahertz block of the L-band spectrum that is farther from the GPS spectrum band than the portion of the spectrum the Reston, Va.-based startup previously planned to use. That proposal was submitted to the FCC shortly after a government working group completed extensive testing of the LightSquared network and concluded that it would cause serious interference with GPS receivers.

For full text of the article, visit New LightSquared Plan Fails To Ease GPS Interference Worries |

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