User's Manual
Table Of Contents
- Safety Information
- Introduction
- Trimble R7 GPS Receiver
- Overview
- Setting up the Receiver
- General Operation
- Configuration
- Transferring Data
- Software Utilities
- Specifications
- Default Settings
- Cables and Connectors
- Event Marker Input and 1PPS Output
- Trimble R8 GPS Receiver
- Overview
- Setting up the Receiver
- General Operation
- Configuration
- Software Utilities
- Specifications
- Default Settings
- Cables and Connectors
- Appendixes Trimble R7 / Trimble R8
- NMEA-0183 Output
- RTCM Output
- Troubleshooting
- Index
Trimble R7/R8 GPS Receiver User Guide 167
NMEA-0183 Output A
Trimble R7/R8 GPS Receiver Operation
A.3 NMEA Messages
When NMEA-0183 output is enabled, the following messages can be
generated.
AVR Time, Yaw, Tilt, Range for Moving Baseline RTK
The AVR message string is shown below, and Table A.2 describes the
message fields.
$PTNL,AVR,181059.6,+149.4688,Yaw,+0.0134,Tilt,,,60.191,3,2.5,6*00
Table A.2 AVR message fields
Field Meaning
1UTC of vector fix
2 Yaw angle in degrees
3
Ya w
4 Tilt angle in degrees
5
Tilt
6
Reserved
7
Reserved
8 Range in meters
9 Quality indicator:
0: Fix not available or invalid
1: Autonomous GPS fix
2: Differential carrier phase solution RTK (Float)
3: Differential carrier phase solution RTK (Fix)
4: Differential code-based solution, DGPS
10 PDOP
11
Number of satellites used in solution