Data link

The base-to-rover data link serves an essential role in an RTK system. The data link must transfer the base receiver carrier phase, code measurements, plus the location and description of the base station, to the rover.

The receiver supports two data transmission standards for RTK positioning: the Compact Measurement Record (CMR) format and the RTCM/RTK messages. The CMR format was designed by Trimble and is supported across all Trimble RTK products.

Factors to consider when choosing a data link include:

• Throughput capacity

• Range

• Duty cycle

• Error checking/correction

• Power consumption

The data link must support at least 4800 baud, and preferably 9600 baud throughput. Your Trimble representative can assist with questions regarding data link options.