Maritime Radio Historical Society

The annual MRHS Night of Nights will be held as usual on 12 July (13 July GMT). The opening message will be sent at 5:01pm Pacific time (0001 GMT) on all KPH frequencies. Transmissions will continue throughout the evening. K6KPH will also be active. Please click on MRHS Operations above for all KPH and K6KPH…

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Enigma Crypto Transmission from KPH at 426 KHz and Shortwave

2023112 points20 comments History & Retro Computing details

DA was a part of our KPH project from the beginning. She learned her trade at US Coast Guard master station NMC, adjacent to KPH. At NMC she earned the coveted gold lightning bolt radnoman’s insignia (there was no such thing as a radiowoman in the Coast Guard). She also acquired the salty vocabulary she needed to hold…