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DRAFT
Continuous Tone Coded Squelch System Tone
Frequencies (in Hz)
CTCSS
Freq. Hz
1
67.0
2
71.9
3
74.4
4
77.0
5
79.7
6
82.5
7
85.4
8
88.5
9
91.5
10
94.8
11
97.4
12
100.0
13
103.5
14
107.2
15
110.9
16
114.8
17
118.8
18
123.0
19
127.3
CTCSS
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
*
= No Tone
oF
25
128-xxxxx
Freq. Hz
131.8
136.5
141.3
146.2
151.4
156.7
162.2
167.9
173.8
179.9
186.2
192.8
203.5
210.7
218.1
225.7
233.6
241.8
250.3
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