Data Logs
Appendix C
SPAN-SE User Manual Rev 1
197
Field
Structure
Field Description
Symbol
Example
1
$GPGRS
Log header
$GPGRS
2
utc
UTC time of position (hours/minutes/
seconds/ decimal seconds)
hhmmss.ss
192911.0
3
mode
Mode 0 =
Residuals were used to
calculate the position given in
the matching GGA line
(apriori) (not used by OEMV
family receiver)
Mode 1 =
Residuals were recomputed
after the GGA position was
computed (preferred mode)
x
1
4 - 15 res
Range residuals for satellites used in the
navigation solution. Order matches order of
PRN numbers in GPGSA.
x.x,x.x,.....
-13.8,-1.9,11.4,-33.6,0.9,
6.9,-12.6,0.3,0.6, -22.3
16
*xx
Checksum
*hh
*65
17
[CR][LF]
Sentence terminator
[CR][LF]
