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RoyalTek Confidential
14
RDR-3100 User Manual
Units M meters
Geoid Separation meters
Units M meters
Age of Diff. Corr. second Null fields when DGPS is
not used
Diff. Ref. Station ID 0000
Checksum *18
＜CR＞＜LF＞
End of message termination
Table 1-2 Position Fix Indicators
Value Description
0 Fix not available or invalid
1 GPS SPS Mode, fix valid
2 Differential GPS, SPS Mode, fix valid
3-5 Not Supported GPS PPS Mode, fix valid
6 Dead Reckoning Mode, fix valid
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