AP1-1
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
Frequency
458.5 455.5 INTL-0.4M
2189.5 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
Frequency
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
Frequency
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
Frequency
LOCAL2-25M
Note: The DSC frequency for Ship-to-ship general calling is 2177.0 kHz for both TX
and RX.
Appendix 1) DSC Frequency List