GNSS-dat

  • gnss protocol - Tech-dat/Network-dat/location-dat/GNSS-dat/quectel_l76-lbl26-lblc86l_gnss_protocol_specification_v2-2.pdf

  • GSV - GNSS Satellites in View.

  • GSA - GNSS DOP and Active Satellites. GNSS receiver operating mode, satellites used in the navigation solution reported by the GGA sentence, and DOP values.

  • GLL - Geographic Position – Latitude/Longitude.

  • GGA - Global Positioning System Fix Data. Time, position, and fix-related data for a GNSS receiver.

  • VTG - Course Over Ground & Ground Speed.

  • RMC - Recommended Minimum Specific GNSS Data. Time, date, position, course, and speed data provided by a GNSS receiver.

commands examples

Search GPS + GLONASS: 
$PMTK353,1,1,0,0,0*2B

Enable GPS, Glonass, Galileo:
$PMTK353,1,1,1,0,0*2A

Sets the speed threshold for static navigation.

$PMTK386,0.4*39 
$PMTK001,386,3*3D

Gets whether the GPS/GLONASS/BDS/Galileo satellite seraching is enabled or not.

$PMTK355*31 
$PMTK001,355,3,1,1,0,0*33

ref

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