24
Channels 22 and 23 are for Telemetry and Telecommand use, voice
communications are not allowed on these channels by law.
Channel 9 and above are the best choices for general use in Simplex mode.
38 CTCSS CODE LIST
CODE
Frequency(Hz)
CODE
Frequency(Hz)
OFF
OFF
20
131.8
1
67.0
21
136.5
2
71.9
22
141.3
3
74.4
23
146.2
4
77.0
24
151.4
5
79.7
25
156.7
6
82.5
26
162.2
7
85.4
27
167.9
8
88.5
28
173.8
9
91.5
29
179.9
10
94.8
30
186.2
11
97.4
31
192.8
12
100.0
32
203.5
13
103.5
33
210.7
14
107.2
34
218.1
15
110.9
35
225.7
16
114.8
36
233.6
17
118.8
37
241.8
18
123.0
38
250.3
19
127.3
UHF channels and frequencies