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APPENDIX B
CTCSS Tone Fr equency TableCTCSS Tone Frequency Table
TABLE 8. CTCSS Tone Frequencies
Tone
Number Freq.
(Hz) Tone
Number Freq.
(Hz) Tone
Number Freq.
(Hz) Tone
Number Freq.
(Hz)
1 33.0 17 71.9 33 123.0 49 183.5
2 35.4 18 74.4 34 127.3 50 186.2
3 36.6 19 77.0 35 131.8 51 189.9
4 37.9 20 79.7 36 136.5 52 192.8
5 39.6 21 82.5 37 141.3 53 196.6
6 44.4 22 85.4 38 146.2 54 199.5
7 47.5 23 88.5 39 151.4 55 203.5
8 49.2 24 91.5 40 156.7 56 206.5
9 51.2 25 94.8 41 159.8 57 210.7
10 53.0 26 97.4 42 162.2 58 218.1
11 54.9 27 100.0 43 165.5 59 225.7
12 56 .8 28 103.5 44 167.9 60 229.1
13 58 .8 29 107 .2 45 171.3 61 233.6
14 63.0 30 110.9 46 173.8 62 241.8
15 67.0 31 114.8 47 177.3 63 250.3
16 69.4 32 118.8 48 179.9 64 254.1