Unfiltered GPS Interference Worries Unfounded, Ligado Tells FCC
The idea Ligado's proposed low-power terrestrial service might interfere with unfiltered GPS devices is unsupported, since all receiver makers are expected to implement filtering tech, company officials told an FCC Wireline Bureau staffer, recounted a docket 11-109 posting Friday. Ligado…
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pointed to assertions by components maker u-blox that nearly every GPS receiver uses one or two surface-acoustic wave filters for attenuation of out-of-band signals. Ligado separately discussed its co-existence with GPS in a call with FCC bureau and office officials and an aide to Chairman Ajit Pai.