ashtech GG Surveyor Reference Manual page 171

Table 6.64: $GPMSG Structure for RTCM Message Types 3 and 32 (continued)
Example:
Table 6.64 outlines the $GPMSG response structure.
The format for RTCM message types 16 and 36 is:
Command/Response Formats
Field
f1 metric x - distance from geocenter (x component of
station) using WGS-84 in message type 3, and SGS-90
in message type 32
f2 metric y - distance from geocenter (y component of
station) using WGS-84 in message type 3, and SGS-90
in message type 32
f3 metric z - distance from geocenter (z component of
station) using WGS-84 in message type 3, and SGS-90
in message type 32
*cc Message checksum in hexadecimal
$GPMSG,03,0000,1200.0,7,0,038,231958.00,-2691561. 37,-
4301271.02,+3851650.89*6C
Table 6.65: $GPMSG Response for RTCM Message Type 3
Item
03 RTCM type
0000 Station ID
1200.0 Z count in seconds and tenths
7 Sequence number
0 Station health
038 Total number of characters after the time item
231958.00 Current time in hours, minutes and seconds
-2691561.37 Station X component using WGS-84
-4301271.02 Station Y component using WGS-84
+3851650.89 Station Z component using WGS-84
*6C Message checksum in hexadecimal
$GPMSG,d1,d2,f1,d3,d4,d5,m1,s1*cc
Description
Description
153