Thread: ADSB visibility with non certified GPS
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Old October 3rd 17, 12:32 AM posted to rec.aviation.soaring
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Default ADSB visibility with non certified GPS
RAIM is Receiver Autonomous Integrity Monitoring. It is supported by GBS, GRS, GST etc. $RAIM isn't part of the NMEA 0183 spec, at least at v4.00.