276 DG14 and DG16 Board & Sensor Reference Manual
$PASHQ,TCM,[c1]
This command queries the TCM message, where c1 is the optional port designator
for the output of the response. If a port is not specified, the receiver sends the
response to the current port.
$PASHR,TCM
The TCM message contains status information for the remote differential station
as well as information on the transmitting base station, such as the base station ID
number, base station health, remote station synchronization status, the RTCM
message type being received, a quality indicator for message reception, and age
of correction. the response is output in the format:
$PASHS,NME,TCM,d1,d2,d3,d4,f5,d6,d7*hh
Table 8.48 outlines the response message.
Table 8.48. $PASHS,NME,TCM Response Structure
Parameter Description Range
d1 Message synchronization indicator:
• 0—synchronization between base and remote
not established or lost.
• 1—synchronization established between base
and remote
0, 1
d2 RTCM message type received by the remote 1, 2, 3, 6, 9, 16
d3 Base station ID number 0 to 1023
d4 Base station health indicator
• 0—UDRE scale factor 1
• 1—UDRE scale factor 0.75
• 2—UDRE scale factor 0.5
• 3—UDRE scale factor 0.3
• 4—UDRE scale factor 0.2
• 5—UDRE scale factor 0.1
• 6—Reference Station transmission not monitored
• 7—Reference Station not working
0 to 7
f5 Modified Z count (seconds; variable length number) in
seconds
0 to 3599.4
d6 Message reception quality indicator. Message reception
quality is defined as follows:
(Number of good measurements / total number of
measurements)*100
000 to 100
d7 Age of the received correction messages 0 to 99
*hh Checksum 2-character hex
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