ComNav T300 + CGSurvey User Guide
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Tip: after starting PDA CORS mode, please check the differential LED of T300. It will flash,
meaning the rover is receiving correction data.
Tip: ComNav T300 is compatible with CMR, RTCM 2.x and RTCM 3.x, but we suggest to use
RTCM3.X which includes GPS, Glonass and Beidou correction message.