LightSquared still controls valuable spectrum that might someday be used for more than transmitting data back and forth to satellites, and the company has a potential multibillion-dollar lawsuit against the FCC and GPS companies.

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If that is the case, however, he did it with the cooperation of the FCC and the GPS industry.

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But the company was unable to come up with a technical solution to the problem of GPS interference as required by the FCC.

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In 2004, lawyers for the GPS Industry Council again urged the FCC, in a letter, to approve proposed limits on terrestrial emissions that it had negotiated with Mobile Satellite Ventures.

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One possibility is that it will argue to the FCC that it deserves an allotment of other bandwidth that will not interfere with GPS. There is no telling how long that will take or if it will ever happen.

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In a July 17, 2002 letter to the FCC, lawyers for the council and Mobile Satellite Ventures, a LightSquared predecessor, urged the FCC to approve an agreement in which MSV would limit the power of ground stations to protect GPS receivers.

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