Command/Response Formats
193
Com
m
and
s
FST: Fast CPD Mode
$PASHS,CPD,FST,s
Enables/disables fast CPD mode, where s is either ON or OFF. If this mode is set to
ON, the rover receiver provides a fast CPD position solution. This command is
relevant for ROVER receiver only. The default is ON.
Fast CPD ON means faster update rates, lower latency (typically 50-100 ms), and
lower accuracy (typically about 2 cm horizontal 95% (i. e. 2RMS) confidence
accuracy).
Fast CPD OFF means lower update rates limited to the rate at which corrections are
received from the base; Position latency is approximately equal to the interval
between position updates plus a delta; Accuracy is higher (typically about 1 cm
horizontal 95% (i.e. 2RMS confidence accuracy).
Example: Turn fast CPD OFF
$PASHS,CPD,FST,OFF<Enter>
INF: CPD Information
$PASHQ,CPD,INF,c
This command queries the INF message where c is the optional output port. This mes-
sage contains base and rover satellite status information.
Example: Query the CPD satellite information message to the current port.
$PASHQ,CPD,INF<Enter>
$PASHR,CPD,INF
The response message is in the form:
$PASHR,CPD,INF,s1,d1,n(d2,c1),d3,m(d4,c2),d5,d6,d7*cc
18+
Satellite 18, warning = none
19C
Satellite 19, warning = L1 measurement warning
34+
Satellite 34, warning = none
44+
Satellite 44, warning = none
48+
Satellite 48, warning = none
52+
Satellite 52, warning = none
*12
checksum
Table 6.102: CPD,DLK Response Message Example - Base Station (continued)
Field
Significance
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