ashtech GG Surveyor, Reference Manual

Page: 161 / 256

Command/Response Formats 143
Com
m
and
s
GSN: Signal Strength/Satellite Number Message
$PASHS,NME,GSN,x,s
Enable/disable the signal strength/satellite number response message on port x, where
x is the output port, and s is ON or OFF. This message outputs even if a position is not
computed.
Example: Enable GSN message on port B
$PASHS,NME,GSN,B,ON
$PASHQ,GSN,x
The associated query command is $PASHQ,GSN,x, where x is the optional output
port.
Example: Output GSN message on port B
$PASHQ,GSN,B
54 Satellite 54 used for position computation
empty field No locked satellite in this channel or locked satellite not used
empty field No locked satellite in this channel or locked satellite not used
41 Satellite 41 used
38 Satellite 38 used
empty field No locked satellite in this channel or locked satellite not used in position
solution
empty field As above
42 Satellite 42 used
51 Satellite 51 used
48 Satellite 48 used
empty field No locked satellite in this channel or locked satellite not used in position
solution
01.8 PDOP = 1.8
01.0 HDOP = 1.0
01.5 VDOP = 1.5
AB Message checksum in hexadecimal
Table 6.54: Typical GLGSA Response Message (continued)
Item Significance