User's Manual

Trimble R7/R8 GPS Receiver User Guide 165
NMEA-0183 Output A
Trimble R7/R8 GPS Receiver Operation
To enable or disable the output of individual NMEA messages, do one
of the following:
• Create an application file in the GPS Configurator software that
contains NMEA output settings and then send the file to the
receiver.
• Add NMEA outputs in the Serial outputs tab of the GPS
Configurator software and then apply the settings.
A.2 Common Message Elements
Each message contains:
• A message ID consisting of $GP followed by the message type.
For example, the message ID of the GGA message is $GPGGA.
• A comma
GSV Number of SVs in view, PRN, elevation,
azimuth, and SNR
170
HDT Heading from True North 171
PTNL,GGK Time, position, position type and DOP values 172
PTNL,GGK_SYNC Time, synchronized position, position type
and DOP values
173
PTNL,PJK Local coordinate position output 174
PTNL,PJT Projection type 175
PTNL,VGK Time, locator vector, type and DOP values 176
PTNL,VHD Heading Information 177
ROT Rate of turn 178
VTG Actual track made good and speed over
ground
178
ZDA UTC day, month, and year, and local time
zone offset
179
Table A.1 NMEA message summary (continued)
Message Function Page