2 rs-232 outputs – Honeywell BEDIX/KING GPS RNAV User Manual
Page 83

BENDIX/KING
KLN 90B
Rev 5, April/2003
10521I05.TDC
Page A-5
1.2 RS-232 OUTPUTS
1.2.1
NAVIGATION AND SELF-TEST DATA
RS-232 data will be output with the following format:
ASCII start of text character
item designator
item data
item terminator:
ASCII end of text character
item
field
desg
item format
width item description
----
-----------
-----
----------------
1234567890
A
s dd mmhh
9
present latitude
s=sign: N for north, S for south
dd=degrees
mm=minutes
hh=hundredths of minutes
B
s ddd mmhh10
present longitude
s=sign: E for east, W for west
ddd=degrees
mm=minutes
hh=hundredths of minutes
C
ddd
3
track (magnetic) -- dashed if groundspeed < 2KT
ddd=degrees
D
ddd
3
ground speed
ddd=knots
E
ddddd
5
distance to active waypoint
ddddd=nm * 10
G
sdddd
5
cross track error
s=sign: R for aircraft position right of course,
L for aircraft position left of course
dddd=nm * 100
I
dddd
4
desired track (magnetic) * 10
dddd=degrees * 10
K
ddddd
5
active waypoint identifier
ddddd=ASCII active waypoint identifier
L
dddd
4
bearing to active waypoint (magnetic)
dddd=degrees * 10
Q
sddd
4
magnetic variation
s=sign: E for east, W for west
ddd=degrees * 10
T
---------
9
this field will always be dashed