Today Hack-A-Day has an unsually good report on Britain's Voluntary Interceptors. I was especially touched by the story of the guy who provided reports while still bedridden from devastating wounds received in World War I.
https://hackaday.com/2025/06/12/crowdsourcing-sigint-ham-radio-at-war/#more-786810
I've had the video on the SolderSmoke blog several times. It is so good that it warrants inclusion yet again:
https://www.youtube.com/watch?v=RwbzV2Jx5Qo&t=228s
That regen looks a lot like the one I bought at the Kempton Park rally (London) so long ago. I still have it. And those headphones found in the old "radar" station look a lot like some that I have in my shack today. And of course there is that HRO dial. I build a whole receiver around that gem from Armand WA1UQO.
I thought the comments on the ability to detect the nationality of the enemy operator from his Morse Code "fist" (sending style) was very interesting.
Three cheers for the Voluntary Interceptors!
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Thanks for sharing this Bill! I had a National NCX-3 in the '90s and early 2000s, but had never put together that when people talked about the HRO, that was also a National rig. Also, I had no idea where the name HRO came from before I just read aobut it on Wikipedia!
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