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
- Real-Time Data and Services
- Upgrading the Receiver Firmware
- Data Logging and Postprocessed Measurement Operations
- Troubleshooting
- Glossary
SPSx80 and SPSx81 Smart GPS Antennas User Guide 41
Setting up the Receiver 5
External radio-modems
The most common data link for Real-Time Kinematic (RTK) operation is a radio. The
Smart GPS antenna is available with the following internal radios:
• 410 – 430 MHz (Tx/Rx, Rx only, or Tx only)
• 430 – 450 MHz (Tx/Rx, Rx only, or Tx only)
• 450 – 470 MHz (Tx/Rx, Rx only, or Tx only)
• 900 MHz (Rx only)
Note – “Tx” indicates that the radio transmits corrections. “Rx” indicates that the receiver
receives corrections. “Tx/Rx” indicates that the radio both transmits and receives
corrections.
If the Smart GPS antenna does not have an internal transmit radio, or you want to
connect to a higher powered external transmit radio or cellular modem, use the DB9
port, the Lemo port, or Bluetooth wireless technology.
The SPSx80 and SPSx81 Smart GPS antennas support the following Trimble base
radios:
• SiteNet
™
450
• TRIMMARK 3
• TRIMTALK
™
450
• Trimble SNB900
• Trimble PDL450
• Trimble HPB450
The Smart GPS antenna also supports third-party transparent radios and third-party
cellular modems.
To use an external radio with the Smart GPS antenna, you need an external power
source for the radio—except for the SNB900 radio, which contains an internal battery.
To configure the radio modem separately, use the external radio’s configuration
program, or display and keypad.
Common ways to set up a base station
You can set up a base station in different ways depending on the application, coverage
area, degree of permanence versus mobility, and available infrastructure. Before you set
up a base station, please read
Chapter 4, Setup Guideliness.
Setting up a base station for permanent or semi-permanent installation
For construction applications, where machine and site positioning operations using
GPS will be carried out over a long time (weeks, months, or years), ensure that you
choose the base station location carefully.