70 G12 OEM Board & Sensor Reference Manual
Typical GDC response message:
$PASHR,GDC,015151.00,EMER,588757.623,+4136720.056,2,04,03.8,00012.123,M,
-031.711,M,14,1010,W84*2A
Table 4.17 describes the response message.
M Altitude units M(eters)
f9 Geoidal separation in meters w.r.t. selected datum and
Geoid Model
-999.999 to
+999.999
d10 Age of differential corrections 0 - 999
s11 Differential reference station ID 0000 - 1023
s12 Datum type W84, USR
*hh Checksum 2-character hex
Table 4.17. Typical GDC Response Message
Item Significance
015454.00 UTM time
EMER Equatorial Mercator map projection
588757.623 User grid easting coordinate (x)
4136720.056 User grid northing coordinate (y)
2 RTCM differential position
04 Number of satellites used to compute position
03.8 HDOP
00012.123 Altitude of position
M Altitude units (M=meters)
-031.711 Geoidal separation with respect to selected datum
M Geoidal separation units (M = meters)
014 age of corrections
1010 Differential station ID
W84 Datum is WGS-84
2A Checksum
Table 4.16. GDC Message Structure (Continued)
Parameter Description Range
G12RevD.book Page 70 Tuesday, April 2, 2002 4:33 PM
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