
H
NovAtel Format Logs
102
GPS/GLONASS Receiver User Manual Rev 1
H.2.2 NAVA/B WAYPOINT NAVIGATION DATA
This log reports the status of your waypoint navigation progress. It is used in conjunction with the SETNAV
command.
REMEMBER:
The SETNAV command must be enabled before valid data will be reported from this log.
NAVA
Structure:
NOTES:
1
See Table H.5 below
2
See Table H.8 (Page 111)
Example:
$NAVA,640,333115.00,6399.6305,88.017,6396.9734,184.3929,657,51514.000,0,1
*11[CR][LF]
NOTE:
All distances and angles are calculated using Vincenty’s long line geodetic equations that operate on the
currently selected user datum.
See Figure H.1 for an illustration of navigation parameters.
Table H.5 Navigation Status
$NAVA
week
seconds
distance to destination
bearing to destination
along track
xtrack
estimated week at destination
estimated seconds at destination
navigation status
1
solution status
2
*xx
[CR][LF]
Status
Description
0
Good
1
No velocity
2
Bad navigation calculation