156 G12 OEM Board & Sensor Reference Manual
GSN: Satellite PRN Number and Signal Strength
$PASHS,NME,GSN,x,s,[f]
Enable/disable the signal strength/satellite number response message on port x,
where x is the output port, and s is ON or OFF, and f is the optional message output
rate ranging from 0.05 to 999 seconds depending on the measurement update rate
option installed.
The receiver does not output this message if a position is not computed.
If the command is set without a period, the G12 uses the period set by the
$PASHS,NME,PER command If the $PASHS,NME,PER command is issued after
this message period has been set, the period resets to the PER setting.
Example
Enter the following command to enable GSN message on port B.
$PASHS,NME,GSN,B,ON
23 G12 channel 3 locked on satellite 23; satellite 23 being used in position computations
26 G12 channel 4 locked on satellite 26; satellite 26 being used in position computations
empty field Indicates that this channel (5) is not locked on a satellite or that the locked satellite is
not being used in position computations
21 G12 channel 6 locked on satellite 21; satellite 21 being used in position computations
17 G12 channel 7 locked on satellite 17; satellite 17 being used in position computations
09 G12 channel 8 locked on satellite 09; satellite 09 being used in position computations
08 G12 channel 9 locked on satellite 08; satellite 08 being used in position computations
empty field Indicates that this channel (10) is not locked on a satellite or that the locked satellite is
not being used in position computations
03 G12 channel 11 locked on satellite 03; satellite 03 being used in position computations
empty field Indicates that this channel (12) is not locked on a satellite or that the locked satellite is
not being used in position computation
01.8 Current PDOP value
01.0 Current HDOP value
01.5 Current VDOP value
*0B Checksum
Table 4.81. Typical $GPGSA Message (Continued)
Field Description
G12RevD.book Page 156 Tuesday, April 2, 2002 4:33 PM
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