Hearing on Impacts of the LightSquared Network on Federal Science Activities

Panel of witnesses (Credit: House Committee on Science, Space, and Technology)  Chairman Ralph Hall addressing the witnesses (Credit: House Committee on Science, Space, and Technology)

House Committee on Science, Space and Technology
September 8, 2011

The hearing examined the concerns of federal science agencies due to potential GPS interference from the terrestrial broadband network planned by LightSquared Subsidiary LLC. The committee reviewed the results of recent testing on the impact of the LightSquared network on the GPS signal. In addition, the committee examined measures and costs necessary to implement and prioritize mitigation strategies at federal departments and agencies.

Learn more about LightSquared-GPS interference

The federal witnesses warned that LightSquared interference to GPS could disrupt a broad range of agency operations, especially those requiring high-precision equipment. Testing has shown that such equipment can fail under LightSquared's original and modified spectrum plans.

A LightSquared executive said his company is working to address these concerns and offered to help develop new filters to mitigate interference, even though it faults the GPS industry for producing receivers that look into LightSquared's spectrum.

View transcript (PDF) Tony Russo testifying
Get more info at house.gov

Please note that GPS.gov only publishes the written testimony of federal officials. The testimony of other witnesses is available via the link above.

Chairman Ralph Hall addressing a witness

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