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Maritime Telecommunications
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Effective 01 August, 2013, the U. S. Coast Guard terminated its radio guard of the international voice distress, safety and calling frequency 2182 kHz and the international digital selective calling (DSC) distress and safety frequency 2187.5 kHz. Additionally, marine information and weather broadcasts transmitted on 2670 kHz will terminate concurrently. See the safety alert. Note that these frequencies are still available and in use, notwithstanding the Coast Guard's termination of the radio guard. Please contact us if you have any questions.


25/26 MHz Duplex Channels

ITU Channel No. Coast Transmit kHz Ship Transmit kHz
2501 26,145 25,070
2502 26,148 25,073
2503  26,151 25,076
2504 26,154 25,079
2505  26,157 25,082
2506 26,160 25,085
2507 26,163 25,088
2508 26,166 25,091
2509 26,169 25,094
2510  26,172 25,097
(Calling)