ashtech DG16 Reference Manual page 276

Fields
f11
d12
*hh
Table 8.29 lists the remainder of the MSG message for RTCM type 3:
Fields
f8
f9
f10
*hh
Table 8.30 lists the remainder of message for Type 16. The structure of the
remainder for Type 6 is the same, but contains no text.
Fields
s8
*cc
Table 8.31 lists the remainder of message for Type 18.
Parameter
d13 GPS/GLONASS constellation indicator
d14 Frequency indicator
f15 GNSS time of measurement (in GPS or GLONASS time)
256
Table 8.28. Remainder of Type 2 Message
Description
Delta Range rate correction (Delta RRC) in meters/
sec
Issue of data ephemeris (IODE)
Checksum
Table 8.29. Remainder of Type 3 Message
Description
Base station X component
Base station Y component
Base station Z component
Checksum
Table 8.30. Remainder of Type 16 Message
Description
text message send from base
receiver
Checksum
Table 8.31. Remainder of Type 18 Message
Description
DG14 and DG16 Board & Sensor Reference Manual
Range
±
9.999
0 to999
2-character
hex
Range
±9999999.99
±9999999.99
±9999999.99
2-character hex
Range
Up to 80 alpha-numeric
characters
Range
GPS or GLO
00—L1 message
01—L2 message