July 2011, Vol. 238 No. 7
Government
New Proposed 4G Satellite Service Raises Questions About GPS Interference
A critical report from a Federal Communications Commission advisory committee on June 30 was the latest hitch in the plans of a company called LightSquared to offer new 4G wireless service to broadband users. LightSquared would share some of the broadband spectrum used by global positioning system (GPS) service providers, which has caused users of GPS services, such as pipeline and underground construction companies, to worry about interference with their mapping efforts. Earlier this year, the FCC gave LightSquared conditional approval to use the 10 Mhz spectrum it owns if the interference problem could be solved. The report from the Global Positioning System Industry Council

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