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
- About the SPSx81 Smart GPS antenna
- Related Information
- Technical Support
- Your Comments
Features and Functions
- Overview
- SPS780 Smart GPS antenna features
- SPS781 Smart GPS antenna standard features
- SPS880 Extreme Smart GPS antenna standard features
- SPS881 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
Setup Guidelines
- Base station operation guidelines
  - Base station components
  - Base station setup guidelines
- Rover operation guidelines
  - Rover receiver components
  - Rover receiver setup guidelines
- Cellular modem and external radio
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
- 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
- GPS satellite signal tracking
- Integrated radio options
- Variable configuration options
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
- General Serial Output Format
- Reading binary values
  - INTEGER data types
- GSOF message definitions
Adding Internal Radio Frequencies
- Adding receive frequencies for the 450 MHz internal radio
Real-Time Data and Services
- RT17 Streamed Data service
- Login authentication
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

A NMEA-0183 Output

84 SPSx80 and SPSx81 Smart GPS Antennas User Guide

GSA GPS DOP and active satellites

An example of the GSA message string is shown below. Tabl e 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

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 *