GNSS Module Series
GNSS SDK Commands Manual
GNSS_SDK_Commands_Manual Confidential / Released 27 / 28
Receiver Autonomous Integrity Monitoring
Recommended Minimum Specific GNSS Data
3.3. Datum Sentence Definition
The datum sentence definition for $GNDTM,xxx,x,xx.xxxx,x,xx.xxxx,x,xxx,xxx*hh<CR><LF> is illustrated
below:
Table 4: Datum Sentence Definition
Local datum code (xxx):
W84 - WGS84
W72 - WGS72
S85 - SGS85
P90 - PZ-90
Latitude offset in minutes (xx.xxxx)
Latitude offset mark (N: +, S: -) (x)
Longitude offset in minutes (xx.xxxx)
Longitude offset mark (E: +, W: -) (x)
Altitude offset in meters.
Datum (xxx):
W84 - WGS84
W72 - WGS72
S85 - SGS85
P90 - PZ-90