ashtech DG14, Reference Manual

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Raw Data Commands 207
Raw Dat
a Commands
MSB: Encapsulated Data Message
$PASHS,RAW,MSB,c1,s2,[f1]
This command enables or disables the encapsulated data message when
differential mode is enabled in the base and remote stations and Message Type 1
enabled in the base station. c1 is port A, B or C (optional port), s2 is ON or OFF,
and f1 is the optional numeric output interval setting supporting a range of 0.05 to
999 seconds, depending on the measurement update rate option installed.
$PASHQ,MSB,[c1]
This command queries for the encapsulated data message. The receiver must be
set in base mode to output this message. Differential mode must be enabled in both
the base and remote stations and Message Type 1 enabled in the base station. c1
is the optional port designator for the response. If a port is not specified, the receiver
sends the response to the current port.
$PASHR,MSB,<struct>
The response is in the format $PASHR,MSB,<struct>*hh. The output varies
depending on the RTCM message type. Table 7.11 outlines the $PASHR,MSB
response structure for RTCM Type 1 message.
Table 7.11. $PASHR,MSB Response Format for Message Type 1
Field Type Length (bytes)
Bytes Count integer 2
RTCM Message Type character 1
Repeat Counter (# of satellites) character 1
Base Station ID integer 2
Z Count integer 2
Station Health character: 3 1
Sequence Number character: 5
UTC Hour character 1
UTC Minute character 1
UTC Second character 1
UDRE character: 2 1
Satellite PRN number character: 6
IODE character 1
PRC float 4