User's Manual
Table Of Contents
- USER GUIDE
- Legal Notices
- Safety Information
- Contents
- Introduction
- Features and Functions
- Batteries and Power
- Setup Guidelines
- Setting up the Receiver
- Configuring the Receiver Settings
- Using the SCS900 Site Controller software to configure the base station, the rover, and the radios
- Configuring the receiver to log data for postprocessing
- Configuring the receiver in real time
- Configuring the receiver using application files
- Creating and editing the configuration files that control the receiver
- AutoBase Feature
- Default Settings
- Specifications
- NMEA-0183 Output
- GSOF Messages
- Adding Internal Radio Frequencies
- Upgrading the Receiver Firmware
- Data Logging and Postprocessed Measurement Operations
- Troubleshooting
- Glossary
SPSx80 Smart GPS Antenna User Guide 81
NMEA-0183 Output A
HDT Heading from True North
The HDT string is shown below, and Table A.7 describes the message fields.
$GPHDT,123.456,T*00
Table A.7 Heading from true north fields
Field Meaning
0 message ID $GPHDT
1 Heading in degrees
2 T: Indicates heading relative to True North
3 The checksum data, always begins with *