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
A NMEA-0183 Output
78 SPSx80 Smart GPS Antenna User Guide
GSA GPS DOP and active satellites
An example of the GSA message string is shown below. Table A.4 describes the
message fields.
$GPGSA,<1>,<2>,<3>,<3>,,,,,<3>,<3>,<3>,<4>,<5>,<6>*<7><CR><LF>
Table A.4 GSA message fields
Field Meaning
0 message ID $GPGSA
1
Mode 1, M = manual, A = automatic
2 Mode 2, Fix type, 1 = not available, 2 = 2D, 3 = 3D
3 PRN number, 01 through 32, of satellite used in solution, up to 12 transmitted
4 PDOP-Position dilution of precision, 0.5 through 99.9
5 HDOP-Horizontal dilution of precision, 0.5 through 99.9
6 VDOP-Vertical dilution of precision, 0.5 through 99.9
7 The checksum data, always begins with *