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A NMEA-0183 Output
126 SPSx51 Modular GPS Receivers User Guide
PTNL,BPQ
Base station position and quality indicator
This message describes the base station position and its quality. It is used when the
moving base antenna position and quality are required on one serial port (along with a
heading message) from a receiver in heading mode, typically the SPS551H.
The PTNL,BPQ message string is shown below, and Tab le A.7 describes the message
fields.
$PTNL,BPQ,224445.06,021207,3723.09383914,N,12200.32620132,W,EHT-5.923,
M,5*
Table A.7 BPQ message fields
Field Meaning
0 Talker ID
1BPQ
2 UTC time of position fix, in hhmmss.ss format. Hours must be two numbers, so
may be padded, for example, 7 is shown as 07.
3 UTC date of position fix, in ddmmyy format. Day must be two numbers, so may
be padded, for example, 8 is shown as 08.
4 Latitude, in degrees and decimal minutes (ddmm.mmmmmmm)
5 Direction of latitude:
N: North
S: South
6 Longitude, in degrees and decimal minutes (dddmm.mmmmmmm). Should
contain 3 digits of ddd.
7 Direction of longitude:
E: East
W: West
8Height
Ellipsoidal height of fix (antenna height above ellipsoid). Must start with EHT.
9 M: ellipsoidal height is measured in meters
10 GPS quality indicator:
0: Fix not available or invalid
1: Autonomous GPS fix
2: Differential SBAS, or OmniSTAR VBS
4: RTK Fixed
5: OmniSTAR XP, OmniSTAR HP, Float RTK, or Location RTK
11 The checksum data, always begins with *