1 dB Standard the Right Choice for GPS Protection, GPSIA Says
The 1 dB increase in noise floor is the international definition of harmful interference and can be an objective and predictable metric for protecting satellite-based radio navigation like GPS from harmful interference, GPS Innovation Alliance Executive Director David Grossman blogged…
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Thursday. He said critics press for other metrics, like use of key performance indicators (KPI), but those are calculated further downstream in the receiver when harmful interference may already have occurred. Evaluating KPIs across legions of devices, operational scenarios and measurements "is logistically and administratively impossible," he said.