GTN 625/635/650 TSO Installation Manual
190-01004-02
Page B-4
Rev. F
Table B-2 describes the Type 2 output sentence item designator (id), sequence number (seq), waypoint
identifier (wpt), waypoint latitude (lat), waypoint longitude (lon), and magnetic variation at waypoint
(mvar) fields.
Table B-2. Type 2 Output Sentence Format
Field
Byte
Format
7 6 5 4 3 2 1 0
Description
id
1
2-3
ASCII character 'w' (77 hex)
Two ASCII numeric characters representing route
sequence number of waypoint (01 to 31)
seq
1
x l a n n n n n
x
- undefined
l
- 1 if last waypoint in route
a
- 1 if active to waypoint
nnnnn
- route sequence number of waypoint
(unsigned binary)
wpt
1-5
Destination waypoint identifier (will be blank filled on
right if less than 5 characters in identifier)
lat
1
2
3
s d d d d d d d
x x m m m m m m
x h h h h h h h
s
- 0 (north) or 1 (south)
ddddddd
- latitude degrees (unsigned binary)
xx
- undefined
mmmmmm
- latitude minutes (unsigned binary)
x
- undefined
hhhhhhh
- hundredths of latitude minutes
(unsigned binary)
lon
1
2
3
4
s x x x x x x x
d d d d d d d d
x x m m m m m m
x h h h h h h h
s
- 0 (east) or 1 (west)
xxxxxxx
- undefined
dddddddd
- longitude degrees (unsigned
binary)
xx
- undefined
mmmmmm
- latitude minutes (unsigned binary)
x
- undefined
hhhhhhh
- hundredths of latitude minutes
(unsigned binary)
mvar
1-2
Two's complement binary in 16ths of degrees.
Easterly variation is positive. MSB output first.
Summary of Contents for GTN 625
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Page 242: ...GTN 625 635 650 TSO Installation Manual 190 01004 02 Page D 36 Rev F Figure D 24 Reserved ...
Page 250: ...GTN 625 635 650 TSO Installation Manual 190 01004 02 Page D 44 Rev F Figure D 32 Reserved ...
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