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D Logs Summary
MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2 185
PXYA/B Computed Cartesian Coordinate Position
This log contains the last valid position, expressed in Cartesian x-y-z space coordinates, relative to the center of
the Earth. The positions expressed in this log are always relative to WGS
84, regardless of the setting of the
DATUM or USERDATUM command. See Figure D-2, Page 187 for a definition of the coordinates.
PXYA
Structure:
1 This log provides differential fix and age status.
Example:
$PXYA,713,488150.00,-1634756.995,-3664965.028,4942151.391,2.335,3.464,
4.156,0,2,0.4*08[CR][LF]
$PXYA week seconds x y z x std y std z std sol status
fix status
diff age *xx
[CR][LF]
Field # Field type Data Description Example
1 $PXYA Log header $PXYA
2 week GPS week number 713
3 seconds GPS seconds into the week 488150.00
4 x Position x coordinate, in meters -1634756.995
5 y Position y coordinate, in meters -3664965.028
6 z Position z coordinate, in meters 4942151.391
7 x std Standard deviation of x, in meters 2.335
8 y std Standard deviation of y, in meters 3.464
9 z std Standard deviation of z, in meters 4.156
10 sol status Solution status as listed in Table D-1 0
11 fix status 0 = fix not available or invalid
1 = Single point stand-alone fix
2 = Differential fix
2
12
diff age
1
Age of differential correction (seconds) (= 0 if fix status ≠ 2) 0.4
13 *xx Checksum *08
14 [CR][LF] Sentence terminator [CR][LF]