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APPENDIX
AP-4
Frequency Tables
DSC frequency table
TX (kHz) RX (kHz) Remarks File Name
2187.5 2187.5
4207.5 4207.5
6312.0 6312.0
8414.5 8414.5
12577.0 12577.0
16804.5 16804.5
Distress and
Safety Frequencies
458.5 455.5 INTL-0.4M
2189.5(2177.0*) 2177.0 INTL-2M
4208.0 4219.5 INTL-4M
6312.5 6331.0 INTL-6M
8415.0 8436.5 INTL-8M
12577.5 12657.0 INTL-12M
16805.0 16903.0 INTL-16M
18898.5 19703.5 INTL-18M
22374.5 22444.0 INTL-22M
25208.5 26121.0
International
Frequencies
INTL-25M
4208.5 4220.0 LOCAL1-4M
6313.0 6331.5 LOCAL1-6M
8415.5 8437.0 LOCAL1-8M
12578.0 12657.5 LOCAL1-12M
16805.5 16903.5 LOCAL1-16M
18899.0 19704.0 LOCAL1-18M
22375.0 22444.5 LOCAL1-22M
25209.0 26121.5
Local-1
Frequencies
LOCAL1-25M
4209.0 4220.5 LOCAL2-4M
6313.5 6332.0 LOCAL2-6M
8416.0 8437.5 LOCAL2-8M
12578.5 12658.0 LOCAL2-12M
16806.0 16904.0 LOCAL2-16M
18899.5 19704.5 LOCAL2-18M
22375.5 22445.0 LOCAL2-22M
25209.5 26122.0
Local-2
Frequencies
LOCAL2-25M
* = Ship-to-ship