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Continuous Tone Coded Squelch System Tone Frequencies (in Hz)
CTCSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Freq. Hz
CTCSS
67.0
20
71.9
21
74.4
22
77.0
23
79.7
24
82.5
25
85.4
26
88.5
27
91.5
28
94.8
29
97.4
30
100.0
31
103.5
32
107.2
33
110.9
34
114.8
35
118.8
36
123.0
37
127.3
38
*
= No Tone
oF
24
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
128-7108
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