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SECTION 6
OPTIONS
6-15-3 CHANNEL NUMBERING
It is impor tant the fir st contr ol channel number used her e is a channel defined in the
Nor mal Hunt table of the Radio Unit. Although an RU is instr ucted to MO VE to another
contr ol channel, a channel is not acquir ed unless the channel is in the Nor mal Hunt
table. O ther wise, the RU enter s a Compr ehensive Hunt. This may take many minutes
befor e acquir ing a channel and going into ser vice.
Radio Units oper ating in the UK Band III sub- bands 1 and 2 use a slightly differ ent
channel designation.
Su b - b an d 1
C h a n n e l N o .
1
5 8
5 6 0
Su b - b an d 2
C h a n n e l N o .
1
5 8
5 6 0
C H A N f i e l d b i n a r y
r e p r e se n t a t i o n
1 0 0 0 0 0 0 0 0 1
1 1 1 1 1 1 0 1 1 1
C H A N f i e l d b i n a r y
r e p r e se n t a t i o n
0 0 0 0 0 0 0 0 0 1
0 1 1 1 1 1 0 1 1 1
e
The CO M- 120C uses the binar y channel number ( as pr ogr ammed
into the r adio) .
R a d i o U n i t t x f r e q
1 8 4 . 5 0 0 0 M H z
1 8 5 . 2 1 2 5 M H z
1 9 1 . 4 8 7 5 M H z
R a d i o U n i t t x f r e q
1 9 2 . 5 0 0 0 M H z
1 9 3 . 2 1 2 5 M H z
1 9 9 . 4 8 7 5 M H z
6- 100
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