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Message types 16 and 36 are identical except for the text. The text displayed by type 16 is the one
defined by command $PASHS,RTC,MSG, while the text displayed by type 36 is the one defined by
command $PASHS,RTC,M36.
GPS Special Text Message (Type 16) and GLONASS Special Text Message (Type
36).
Table 6.66 outlines $GPMSG structure for message types 16 and 36.
Table 6.66: $GPMSG Structure for RTCM Message Types 16 and 36
Field
d1
d2
f1
d3
d4
d5
m1
s1
*cc
Example:
Table 6.67 outlines the $GPMSG response message for message type 16.
154
RTCM type 6 or 16
station identifier, 0000 to 1023
Z count in seconds and tenths, 0000.0 to 3600.0
sequence number, 0 to 7
station health, 0 to 7
total number of characters after the time item, 000 to 999
current GPS system time of position computation in hours, minutes and seconds
text message
Message checksum in hexadecimal
$GPMSG,16,0000,1209.6,5,0,038,232008.00,THIS IS A MESSAGE
SENT FROM BASE*5C
Table 6.67: $GPMSG Response, RTCM Message Type 16
Item
$GPMSG
Header
16
RTCM type
0000
Station ID
1209.6
Z count in seconds and tenths
5
Sequence number
0
Station health
038
Total number of characters after the time item
Description
Description
GG Surveyor GPS+GLONASS Reference Manual
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