RTCM and NMEA data protocol data protocol official documents, as well as some related official documentation and my own summary data. RTCM including v2.3, v2.4, v3.1, v3.2, v3.2A1, NMEA including NMEA-0183

RTCM_&_NMEA_Documents\1995-SPS-signal-specification.pdf
.....................\A PAINLESS GUIDE TO CRC ERROR DETECTION.pdf
.....................\BDS-SIS-ICD-2.0.pdf
.....................\NMEA-0183.pdf
.....................\NMEA-0183_CN.pdf
.....................\NMEA.xlsx
.....................\RTCM2.3.pdf
.....................\RTCM2.X_cmp.xlsx
.....................\RTCM24_Draft_20140504.pdf
.....................\RTCM24_Draft_编制说明_20140503.pdf
.....................\RTCM3.2.pdf
.....................\RTCM31.pdf
.....................\RTCM32A1.pdf
.....................\SiRF_Binary_Protocol.pdf
.....................\Trimble-CMR.pdf
RTCM_&_NMEA_Documents

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