Specifications

160 Z-Family Technical Reference Manual
Example: Enable GSA message on port B
$PASHS,NME,GSA,B,ON <enter>
$PASHQ,GSA,c
Query DOP and active satellites where c is the optional output serial port.
Example: Query GSA message to the current ports.
$PASHQ,GSA <enter>
$GPGSA
The response message is in the form:
$GPGSA,c1,d1,d2,d3,d4,d5,d6,d7,d8,d9,d10,d11,d12,d13,f1,
f2,f3*cc <enter>
Example:
Query: $PASHQ,GSA <enter>
Response:
$GPGSA,M,3,,02,,04,27,26,07,,,,,09,3.2,1.4,2.9*39 <enter>
Table 6.91: GSA Message Structure
Parameters Description Range
c1 Mode: M: manual, A: automatic ‘M’ / ‘A’
d1 Mode: 1: fix not available, 2: 2D, 3: 3D 1 -3
d2 - d13 Satellites used in solution (null for unused channel) 1 -32
f1 PDOP 0 - 9.9
f2 HDOP 0 - 9.9
f3 VDOP 0 - 9.9
*cc Checksum
Table 6.92: Typical GSA Message
Item Significance
$GPGSA Header
M Manual mode
3 3D mode
empty field Satellite in channel 1
02 Satellite in channel 2