Rdr-3100 user manual – RoyalTek RDR-3100 User Manual
Page 17
RDR-3100 User Manual
17
MSL Altitude
9.0
meters
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
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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