User's Manual

A NMEA-0183 Output
116 SPSx50 Modular GPS Receiver User Guide
ADV Position and Satellite information for RTK network operations
An example of the ADV message string is shown below. Tabl e A.3 and Ta bl e A.2
describes the message fields. The messages alternate between subtype 110 and 120.
$PGPPADV,110,39.88113582,-105.07838455,1614.125*1M
$PGPPADV,120,21,76.82,68.51,29,20.66,317.47,28,52.38,276.81,22,42.26,198.96*5D
Table A.1 ADV subtype 110 message fields
Field Meaning
0 message ID $PPGPADV
1 Message sub-type 110
2Latitude
3 Longitude
4 Ellipsoid height
6 Elevation of second satellite, in degrees, 90° maximum
7 Azimuth of second satellite, degrees from True North, 000° to 359°
8
The checksum data, always begins with *
Table A.2 ADV subtype 120 message fields
Field Meaning
0 message ID $PPGPADV
1 Message sub-type 120
2 First SV PRN number
3 Elevation of first satellite, in degrees, 90° maximum
4 Azimuth of first satellite, degrees from True North, 000° to 359°
5 Second SV PRN number
6 Elevation of second satellite, in degrees, 90° maximum
7 Azimuth of second satellite, degrees from True North, 000° to 359°
8
The checksum data, always begins with *