External radio setup, Table 2: typical radio modem interface – NavCom StarUtil Rev.G User Manual

Page 42

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StarUtil User Guide – Rev. G

Table 2: Typical Radio Modem Interface

Manufacturer

Baud

Band (MHz)

Bits

Stop Bits

Parity

Satel

9600

450 / 900

8

1

None

Microhard 9600 2,400 8 1 None

Freewave

9600

900 / 2,400

8

1

None

Pacific Crest

38400

450 / 900

8

1

None

External Radio Setup

Connect and setup the radio modem or other DGPS correction medium per the manufacturer’s
instructions.

9

Set the RTK correction data link at both ends to the same data rates (i.e. 9600 bps default,
or 38400bps; 4800 bps minimum, slow data rates may increase correction latency), 8 bit, 1
stop bit, no parity.

9

Set the radio modems to the same frequency or frequency pair (depending on type of radio
modem)

9

Verify addressing (if used) and error correction modes are properly set in the radio modem

9

Verify Maste

is set to Master)

9

9

ection

are correct

9

r / Slave settings (if used) are set correctly (the base station

Verify frequency hopping plan (if used) is set correctly on both radios.

Verify the transmit power (base), receive sensitivity (if adjustable), and antenna conn

Connect the radio modem to Com1 (Port 1 or Port A) on the GPS receiver

Figure 30: Example of a TruBlu & Bluetooth Controller Interface

5-40

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