
Ag
GPS RTK Base GPS Receiver User Guide 37
Setting up the Receiver 5
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 AgGPS RTK Base receiver does not have an internal transmit
radio, or you want to connect to higher power or to a secondary
external transmit radio or cellular modem, use the 26-pin port, the
Lemo port, or Bluetooth wireless technology.
The AgGPS RTK Base receiver supports the following Trimble base
radios:
• TRIMMARK
™
3 radio
• Trimble SNB900 radio
• Trimble PDL450 radio
• Trimble HPB450 radio
When used with an AgGPS RTK Base receiver, most external radios
require an external power source. Only the Trimble SNB900 radio-
modem has an internal battery and does not require external power.
Configure the external radio separately, using either the configuration
program for the external radio or the radio display and keypad.
To configure the AgGPS RTK Base for RTK operation, follow the base
setup procedure to set the following parameters:
• Set the base station coordinates
• Enable the CMR+
™
corrections stream on the selected serial port.
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