ashtech DG16 Reference Manual page 283

Table 8.37. Typical MSG Message For RTCM Type 18 (Continued)
Field
0
20
4
01
-8259701.2187
0
0
04
4
01
+5708064.4
*53
Typical MSG message for RTCM type 19:
$GPMSG,19,0000,1747.8,6,0,148,202908.5,GPS,0,3,200000,0,0,20,14
,15,21322294.20,0,0,04,14,15,23304544.46,*53
Table 8.38 outlines the response message.
Table 8.38. Typical MSG Message For RTCM Type 19
Field
$GPMSG
16
0000
1747.8
4
0
148
202908.5
GPS
0
3
NMEA Commands
Description
Code indicator 0 = C/A code
GPS slot number (ID)
Data quality indicator (phase error £ 0.03933 cycle)
Cumulative loss of continuity error (cycle slips)
Carrier phase (cycles)
Last message for this satellite and time tag
Code indicator 0 = C/A code
GPS slot number (ID)
Data quality indicator (phase error £ 0.03933 cycle)
Cumulative loss of continuity error (cycle slips)
Carrier phase (cycles)
Checksum
Description
Header
RTCM message type
Station ID
Z count in seconds and tenths
Sequence number
Station health
Total number of characters following the time tag
Current time in hours, minutes and seconds
GPS Constellation
L1 frequency used
Smoothing Interval (3—undefined)
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