• Jake Miller@federate.social
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      2 months ago

      @mattblaze@federate.social Wow! That’s really interesting, thanks! I wonder if we are going to regret being dependent on satellites for all comms in the next decade or so - the risk/threat profile seems to have changed since 1999.

    • Matt Blaze@federate.socialOP
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      2 months ago

      I should note that while the site had a number of discone antennas like this one, they were mostly there as backups in case the main antennas (including truly massive wire rhombics pointing toward various oceanic regions) or transmitter combiners failed. The old Bell System did not mess around.

      • Matt Blaze@federate.socialOP
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        2 months ago

        Here, by the way, is what I believe was the last published frequency list and schedule for the High Seas service. (A souvenir of my last visit to the station before it went off the air.)

        • Rich Stein (he/him)@mastodon.social
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          2 months ago

          @mattblaze@federate.social
          My Dad was in the Coast Guard before and after the Korean War, and a couple of his tours were “weather patrol” between Newfoundland and Bermuda. In addition to taking observations using wx balloons and radiosondes (I believe), he talked about regularly patching airplanes into the marine operator system. I was surprised to hear him talk about that — i.e., seems like aviation did not have the same communications infrastructure, so the piggyback was necessary.

                • Matt Blaze@federate.socialOP
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                  2 months ago

                  @jgkoomey @steveyaeger There were actually three HF receiver sites at Point Reyes. There was the AT&T radiotelephone station KMI (which was completely razed about 10 years ago), which was next door to the still-alive-and-kicking RCA radiotelegraph station KPH (worth a visit when open). And up the road a bit is the still-active (but remotely controlled) Coast Guard station NMC.

                  KMI had this spiffy sign, which I’m told was saved and is in storage somewhere.

                  • Jeremy_N1ZZZ@mastodon.radio
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                    2 months ago

                    @mattblaze@federate.social @jgkoomey@mastodon.energy @steveyaeger@mastodon.social

                    KPH still lives on Saturday afternoons. I copy their CW, RTTY, & SITOR transmissions from as far away as the East China Sea on my ship. They also activate K6KPH on the amateur bands. https://www.radiomarine.org/

                  • Erich M.@chaos.social
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                    2 months ago

                    @mattblaze@federate.social @jgkoomey@mastodon.energy @steveyaeger@mastodon.social

                    Point Reyes, hmm that rings a bell in me. I am sure I intercepted this station as well. Need to look it up my qsl archive.

                  • Matt Blaze@federate.socialOP
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                    2 months ago

                    @jgkoomey @steveyaeger
                    What I appreciate about this is that the logo dates the sign to the 90’s, when high seas HF radiotelephone was already no longer exactly a growth business for AT&T, but someone still loved the place enough to make a beautiful carved wooden sign for it.

        • k8quinn@social.vivaldi.net
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          2 months ago

          @mattblaze@federate.social

          The Marine Radio Historical Society has restored the CW (Morse code) stations at Point Reyes and operates KPH KSM and KFS (as well as ham station K6KPH, mostly on Saturdays.

          More info at:

          https://www.radiomarine.org

          #radio #AmateurRadio

          Photo is of KPH during one of its operations.

      • jbaggs@infosec.exchange
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        2 months ago

        @mattblaze@federate.social It makes sense they’d use something more omnidirectional / lower gain, and broad spectrum for backups.

      • Lot⁴⁹@mstdn.social
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        2 months ago

        @mattblaze@federate.social Often felt that if AT&T leadership had been visionary, instead of focused on charging you $1.50/month for a long handset cord, there’d be no Internet or cable teevee.