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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