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1 dB Only Reliable Benchmark for GPS Protections, GPSIA Says

Ligado arguments that it reached coexistence agreements with major GPS receiver manufacturers ignore that those agreements didn't resolve to use a 1 dB standard as benchmark for harmful interference to GPS receivers, the GPS Innovation Alliance emailed us Monday. It…

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said a 1 dB standard "is the only reliable mechanism that provides the predictability and certainty." Ligado opposes using a 1 dB limit (for example, see 1911250038).