Feld Hell Decoder
I was tuning around this morning, and caught WA9HCZ, Jerome in Wisconsin, sending Hellschrieber on 10.139Mhz (in the 30m band). It was actually the first “in the wild” Hellschrieber that I had heard, so I quickly fired up cocoaModem to decode it, and also recorded some of the audio in Audacity so I could experiment [...]

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