Telephonics Corporation
R ADAR SYSTEMS D IVISION
1-16 TM113806 (3/10)
Table 1.3.5-1
Navigation ARINC 429 Data Labels (Cont)
LABEL DEFINITION UNITS RESOLUTION
TX RATE
(HZ)
NAVIGATION
OVERLAY
TRACKER
MODE
NOTES
303 Message
Length / Type
Data Type Waypoints Only 10
See Note 3
Yes No Required for Waypoint Navigation Overlay – if not
present then no waypoints
Not required for Tracker Operation or Target Marker
mode.
306 Nav Waypoint
Lat
Deg 0.000172 Deg 10
See Note 3
Yes No Required for Waypoint Navigation Overlay – if not
present then no waypoints
Not required for Tracker Operation or Target Marker
mode.
307 Nav Waypoint
Lon
Deg 0.000172 Deg 10
See Note 3
Yes No Required for Waypoint Navigation Overlay – if not
present then no waypoints
Not required for Tracker Operation or Target Marker
mode.
310 Present
Position Lat.
Deg 0.000172 Deg 10 Yes Yes Required for Navigation Overlay. If not present then a
“NO NAV” fault will be displayed if navigation overlay
mode is selected.
Required for proper Tracker operation. If not present
then the tracker will be non-operational and “AMS Data
Fail” will be displayed.
If not present, then the Target Marker function will
output relative range and bearing only. The target
marker will not output lat, long, or true heading to target.
311 Present
Position Lon.
Deg 0.000172 Deg 10 Yes Yes Required for Navigation Overlay. If not present then a
“NO NAV” fault will be displayed if navigation overlay
mode is selected.
Required for proper Tracker operation. If not present
then the tracker will be non-operational and “AMS Data
Fail” will be displayed.
If not present, then the Target Marker function will
output relative range and bearing only. The target
marker will not output lat, long, or true heading.
The document reference is online, please check the correspondence between the online documentation and the printed version.
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