Continuous Tone Coded Squelch System Tone Frequencies (in Hz)

CTCSS

Freq. Hz

CTCSS

Freq. Hz

1

67.0

20

131.8

2

71.9

21

136.5

3

74.4

22

141.3

4

77.0

23

146.2

5

79.7

24

151.4

6

82.5

25

156.7

7

85.4

26

162.2

8

88.5

27

167.9

9

91.5

28

173.8

10

94.8

29

179.9

11

97.4

30

186.2

12

100.0

31

192.8

13

103.5

32

203.5

14

107.2

33

210.7

15

110.9

34

218.1

16

114.8

35

225.7

17

118.8

36

233.6

18

123.0

37

241.8

19

127.3

38

250.3

 

 

 

 

* oF = No Tone

24

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