139
Commands
NMEA commands allow you to set parameters for outputting NMEA messages and
Ashtech’s NMEA-style messages. These commands can be sent to the G12
through either serial port. Table 4.69 lists the set and query commands used in
controlling NMEA message output. All NMEA messages and Ashtech NMEA-style
messages are disabled for output by default.
Table 4.69. NMEA Data Message Commands
Command Description Page
General Command for
Controlling NMEA
output
$PASHS,NME,ALL Enable/disable all messages 142
$PASHS,NME Enable/disable one or more NMEA message 132
Latency Information $PASHS,NME,LTN Enable/disable the latency message 162
$PASHQ,LTN Query position output latency 163
Differential
Information
$PASHS,NME,MSG Enable/disable base station message 164
$PASHQ,MSG Query base station status messages 164
$PASHS,NME,TCM Enable/disable RTCM rover status 181
$PASHQ,TCM Query RTCM rover station status 182
Output Rate
Parameter
$PASHS,NME,PER Set send interval of NMEA response message 172
Photogrammetry $PASHR,TTT Photogrammetry message 183
Position Information
$PASHS,NME,GGA Enable/disable 3-D position response message 148
$PASHQ,GGA Query 3-D position message 149
$PASHS,NME,GLL Enable/disable latitude/longitude message 151
$PASHQ,GGL Query latitude/longitude message 151
$PASHS,NME,POS Enable/disable NMEA position response
message
172
$PASHS,NME,RMC Enable/disable minimum position, course/speed
message
174
$PASHQ,RMC Query for minimum position, course/speed
message
175
RAIM Information $PASHS,NME,AIM Enable/disable RAIM message 143
$PASHQ,AIM Query RAIM information 143
G12RevD.book Page 139 Tuesday, April 2, 2002 4:33 PM
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