Tri-M Systems FV-25 GPS Receiver User Manual


 
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NAV – POSLLH (0x01 0x02)
It periodically polls the receiver’s position in the local geodetic frame.
Header ID Data Length Data Checksum
0xB5 0x62 0x01 0x02 28 See below CK_A CK_B
Data
Offset bytes Format Descriptions Notes
0 U4 GPS time of week (ms)
4 I4 Longitude (degrees) In the local geodetic frame
Scaling: 1E-07
8 I4 Latitude (degrees) In the local geodetic frame
Scaling: 1E-07
12 I4 Height above ellipsoid (mm) In the local geodetic frame
16 I4 Height above mean see level
(mm)
20 U4 Horizontal accuracy (mm)
24 U4 Vertical accuracy (mm)