GPS interference caused by a planned broadband wireless network could cost at least $70 billion and an additional 30 million tons of CO2 over the next 10 years through the loss of efficiency and safety benefits, estimates the FAA. LightSquared, which plans to deploy the nationwide network of terrestrial transmitters, says the FAA’s assessment is based on plans that are no longer on the table and does not reflect the latest proposal to use its frequency spectrum furthest from GPS. The ...


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