PNT Foundation Raises Interference Concerns About Ligado
Pointing to its goal of protecting positioning, navigation and timing services delivered via GPS, the Resilient Navigation and Timing Foundation (RNTF) in an FCC docket 11-109 letter posted Thursday to Chairman Ajit Pai and the regular commissioners opposed "any efforts"…
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resulting in harmful interference to PNT services. It also included recent opinion pieces by members of the National Space-based Positioning, Navigation and Timing Advisory Board (see 1708070025) and by the Phoenix Center (see 1703210060) that questioned Ligado's planned terrestrial low-power broadband service as potentially being a major interference threat to GPS. RNTF didn't mention Ligado in its filing and didn't comment Friday. Ligado didn't comment.