Owner's manual




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
