User's Manual

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Table Of Contents

USER GUIDE
Legal Notices
Safety Information
- Regulations and safety
- Type approval
- Exposure to radio frequency radiation
- Installing antennas
- Battery safety
Contents
Introduction
- About the SPSx80 Smart GPS antenna
- Related Information
- Technical Support
- Your Comments
Features and Functions
- Overview
- SPS780 Smart GPS antenna standard features
  - SPS780 Basic features
  - SPS780 Max features
- SPS880 Extreme Smart GPS antenna standard features
- Use and care
- COCOM limits
- Parts of the receiver
  - Front panel
  - Lower housing
- Button functions
- LED behavior
  - LED flash patterns
Batteries and Power
- External power
- Battery safety
- Battery performance
- Charging the Lithium-ion batteries
- Storing the Lithium-ion battery
- Disposing of the rechargeable Lithium-ion battery
- Operating the receiver with a Trimble controller
Setup Guidelines
- Base station operation guidelines
- Rover operation guidelines
Setting up the Receiver
- Connecting the receiver to external devices
  - Trimble controller with SCS900 Site Controller software
  - External radio-modems
- Common ways to set up a base station
- Common ways to set up a rover 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
- Setting Up a Base Station
  - Best practice
  - Antenna type
- Scenarios
- Flowchart showing the AutoBase process
Default Settings
- Default receiver settings
- Resetting the receiver to factory defaults
- Default behavior
- Power up settings
- Logging data
  - Logging data after a power loss
Specifications
- General specifications
- Physical specifications
- Electrical specifications
- Communication specifications
NMEA-0183 Output
- NMEA-0183 message overview
- Common message elements
  - Message values
- NMEA messages
- ADV
- GGA
- GSA
- GST
- GSV
- HDT
- PTNL,AVR
- PTNL,GGK
- PTNL,PJK
- PTNL,VGK
- PTNL,VHD
- RMC
- ROT
- VTG
- ZDA
GSOF Messages
- Supported message types
- GSOF message definitions
Adding Internal Radio Frequencies
- Adding receive frequencies for the 450 MHz internal radio
Upgrading the Receiver Firmware
- The WinFlash utility
  - Installing the WinFlash utility
- Upgrading the receiver firmware
Data Logging and Postprocessed Measurement Operations
- Connecting to the office computer
- Transferring files directly from a CompactFlash card
- Deleting files in the receiver
- Supported file types
Troubleshooting
- LED conditions
- Receiver issues
- Base station setup and static measurement problems
Glossary

SPSx80 Smart GPS Antenna User Guide 89

NMEA-0183 Output A

VTG Track Made Good and Speed Over Ground

An example of the VTG message string is shown below. Table A.15 describes the

message fields.

$GPVTG,,T,,M,0.00,N,0.00,K*4E

Table A.15 VTG message fields

Field Meaning

0 message ID $GPVTG

1 Track made good (degrees true)

2 T: track made good is relative to true north

3 Track made good (degrees magnetic)

4 M: track made good is relative to magnetic north

5 Speed, in knots

6 N: speed is measured in knots

7 Speed over ground in kilometers/hour (kph)

8 K: speed over ground is measured in kph

9 The checksum data, always begins with *