THE MARITIME RADIO HISTORICAL SOCIETY (MRHS) IS COMPOSED OF A SMALL GROUP OF DEDICATED VOLUNTEERS WORKING TO PRESERVE THE SKILLS AND TRADITIONS OF OUR MARITIME RADIO HERITAGE...

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KSM - KSM is the coast station of the MRHS. The station is licensed for communications with ships at sea using both CW and RTTY modes in the MF and HF marine bands. KSM accepts traffic from ships at sea for onward transmission to addressees ashore. No charge is made for this service. The purpose of the station is to preserve skills, customs, traditions and procedures of the stations and operators who came before us and made the profession of maritime radiotelegrapher one of honor and skill.

Click here for information about the KSM operating schedule and frequencies.

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MRHS Videos - The MRHS has produced three videos showing station operations and antenna maintenance at KPH/KSM. For the full size versions click on the button to be directed to YouTube. Or to view on this page click on the individual videos below.



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The KPH Project - In cooperation with the Point Reyes National Seashore, part of the National Park Service, the Maritime Radio Historical Society (MRHS) has taken on the job of preserving the historic ex-RCA coast station KPH and returning it to the air. Read about the work that's being done and view pictures of the "night of nights" when KPH made a commemorative broadcast on the first anniversary of the last commercial Morse message in the US.

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The 4U Radio Console - At the request of the San Francisco Maritime Museum members of the Society restored a Radiomarine 4U radio console from a WWII Victory ship to fully operational status. The 4U console now resides in a replica of the ship's radio room as part of a permanent exhibit on maritime radio. View pictures of the 4U console and find out when Society docents demonstrate its operation.


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Incredible Radio Tales - Read first hand accounts of radio experiences and adventures written by the people who actually experienced them. What was it like to stand watch on 500kc/s when a real SOS came in? What was the final fate of transmitter BL-10 at Bolinas? Find out here.


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Contact The MRHS -Click here to join our mailing list for information about upcoming KSM/KPH/K6KPH activities or to find out more about the Maritime Radio Historical Society and how to contact us.


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Press Information - Members of the media, please click here for basic information about the MRHS including press quality photos.


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