FreeFlight 2101 I/O Approach Plus Installation And Checkout Manual page 96

FreeFlight 2101 I/O Approach Plus GPS Navigation System
Where:
BYTE
BIT
CONTENT
nnnnnnnn
Two's complement binary in sixteenths of degrees. Easterly variation is positive.
Note:
A value of 7FH in byte 14 indicates that magnetic variation is not presently available and
bytes 14 and 15 should be ignored.
t Waypoint Type
This indicates the type of waypoints in the flight plan according to flight plan order (e.g., Airport, VORs, NDBs,
Intersections, or User). The number of waypoints in the flight plan determines the number of bytes in this field (5
waypoints in the flight plan makes this field 5 bytes long). The format is as follows:
t nnn...
The following values are acceptable for "n":
a
m
h
s
v
n
i
u
Page B-12
14
7 6 5 4 3 2
n n n n n n
Magnetic variation at waypoint.
Airport, Public Use
Military Base
Heliport
Seaplane Base
VOR
NDB
Intersection
User Defined
15
1 0 7 6 5 4 3
n n n n n n n
2 1 0
n n n
Revision E
May 31, 2006