ashtech GG Surveyor, Reference Manual

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Command/Response Formats 171
Com
m
and
s
where Table 6.83 outlines the response format.
TTT: Event Marker Message
$PASHS,NME,TTT,x,c
Enable/disable event marker message on port x, where x is the output port, and c is
ON or OFF. This message is not output unless a photogrammetry pulse is being input,
and the photogrammetry option (E) is available in the receiver.
Example: Enable TTT message on port A
$PASHS,NME,TTT,A,ON
There is no query command for TTT.
$PASHR,TTT
The response message is in the form:
$PASHR,TTT,d1,m1*cc
Table 6.83: TCM Response Structure
Field Description Range
d1 Synchronization indicator.
0 = sync between base and remote has not been established or has
been lost
1 = sync between base and remote has been established 0 or 1
d2 RTCM message type 1, 2, 3, 6, 9, 16
d3 Reference station ID, transmitted by reference station 0 through 1023
d4 Reference station health, transmitted by reference station.
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 through 7
f5 Modified Z count 0 - 3599.4 seconds
d6 Quality factor for communication, defined as 100 x number of
good measurements divided by total number of measurements 0 through 100
d7 Age of received messages, types 1, 2, 9 only 00 through 99 seconds