Moog Crossbow NAV440 Series - Manual (Page 104)

Page 104
NAV440 User Manual
7430‐0131‐01 Rev. F
ASCII String Name
Format Example
Description
Altref blank 48.0 Geoid Separation (m)
m blank M Units: Meters (fixed field)
DiffAge numeric Age of Differential Corrections (sec):
GPS is not used Blank (Null) fields when D
DiffStation numeric 0 Diff. Reference S ation ID t
cs hexadecimal *5B Checksum
<CR><LF> End of message
Table 98 Fix Status
Fix Status Description
0 No fix / Invalid
1 Standard GPS (2D/3D)
2 Differential GPS
6 Estimated (DR) Fix
Output Packet Format—Internal GPS
Table 4 GPS Output Packet Format
NMEA Record Description
GGA Global positioning system fixed data
RMC Recommended minimum specific GNSS data
VTG Course over ground and ground speed data