ashtech DG14, Справочное руководство

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250 DG14 and DG16 Board & Sensor Reference Manual
GXP: Horizontal Position Message
$PASHS,NME,GXP,c,s
This command enables/disables the horizontal position message where c is either
A, B, or C, and s is ON or OFF. If no position is computed, this message is output
but the position related fields will be empty.
Example
Enter the following command to enable the horizontal position message on port C.
$PASHS,NME,GXP,C,ON
$PASHQ,GXP,c
This command queries horizontal position where c is the optional output serial
port.
$GPGXP
The response message is in the form:
$GPGXP,m1,m2,c3,m4,c5*cc
where Table 8.22 outlines the response format.
314 Azimuth of PRN 5
49 Signal to noise ration of PRN 5
02 Indicates PRN 2 is visible
03 Elevation of PRN 2
120 Azimuth of PRN 2
29 Signal to noise ration of PRN 2
*45 Checksum
Table 8.22. GXP Message Structure
Parameter Description Range
m1 UTC of fix in hours, minutes and
seconds (hhmmss.ss) 00-235959.90
m2 Latitude in degrees and decimal
minutes (ddmm.mmmmmm) 0 - 90.00
Table 8.21. Typical GSV Message (Continued)
Field Description