GNSS Module Series
L76-LB&L26-LB&LC86L GNSS Protocol Specification
L76-LB&L26-LB&LC86L_GNSS_Protocol_Specification 3 / 50
Contents
About the Document ................................................................................................................................... 2
Contents ....................................................................................................................................................... 3
Table Index ................................................................................................................................................... 5
1 Introduction .......................................................................................................................................... 6
1.1. List of Supported NMEA Messages ............................................................................................ 6
2 NMEA Standard Messages ................................................................................................................. 9
2.1. Structure of NMEA Standard Messages ..................................................................................... 9
2.2. Description of NMEA Standard Messages ................................................................................ 10
2.2.1. RMC ............................................................................................................................... 10
2.2.2. VTG ................................................................................................................................ 11
2.2.3. GGA................................................................................................................................ 12
2.2.4. GSA ................................................................................................................................ 14
2.2.5. GSV ................................................................................................................................ 15
2.2.6. GLL ................................................................................................................................. 17
2.2.7. GPTXT ........................................................................................................................... 18
3 NMEA Proprietary Messages ............................................................................................................ 20
3.1. Structure of NMEA Proprietary Messages ................................................................................ 20
3.2. Description of NMEA Proprietary Messages ............................................................................ 20
3.2.1. Packet Type: 010 PMTK_SYS_MSG ............................................................................. 20
3.2.2. Packet Type: 011 PMTK_TXT_MSG ............................................................................. 21
3.2.3. Packet Type: 001 PMTK_ACK ....................................................................................... 21
3.2.4. Packet Type: 101 PMTK_CMD_HOT_START ............................................................... 22
3.2.5. Packet Type: 102 PMTK_CMD_WARM_START ........................................................... 22
3.2.6. Packet Type: 103 PMTK_CMD_COLD_START ............................................................ 22
3.2.7. Packet Type: 104 PMTK_CMD_FULL_COLD_START ................................................. 23
3.2.8. Packet Type: 161 PMTK_CMD_STANDBY_MODE ...................................................... 23
3.2.9. Packet Type: 183 PMTK_LOCUS_QUERY_STATUS ................................................... 24
3.2.10. Packet Type: 184 PMTK_LOCUS_ERASE_FLASH ...................................................... 25
3.2.11. Packet Type: 185 PMTK_LOCUS_STOP_LOGGER .................................................... 26
3.2.12. Packet Type: 622 PMTK_Q_LOCUS_DATA .................................................................. 26
3.2.13. Packet Type: 220 PMTK_SET_POS_FIX ...................................................................... 27
3.2.14. Packet Type: 223 PMTK_SET_AL_DEE_CFG ............................................................. 27
3.2.15. Packet Type: 225 PMTK_SET_PERIODIC_MODE ....................................................... 28
3.2.16. Packet Type: 251 PMTK_SET_NMEA_BAUDRATE ..................................................... 29
3.2.17. Packet Type: 255 PMTK_SET_SYNC_PPS_NMEA ..................................................... 29
3.2.18. Packet Type: 256 PMTK_SET_TIMING_PRODUCT .................................................... 30
3.2.19. Packet Type: 285 PMTK_SET_PPS_CONFIG .............................................................. 30
3.2.20. Packet Type: 286 PMTK_SET_AIC_ENABLED ............................................................ 31
3.2.21. Packet Type: 301 PMTK_API_SET_DGPS_MODE ...................................................... 31
3.2.22. Packet Type: 306 PMTK_API_SET_MIN_SNR ............................................................. 32
