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FSK Hell  Modes

FSK-Hell. This mode uses Frequency Shift Keying with a speed of 105 or 245 baud. The average duty cycle is about 80%. Actually this is not a new Hellschreiber mode at all - not even for amateur radio! It was actually already tested by the end of World War II
reference https://www.nonstopsystems.com/radio/hellschreiber-modes-modern.htm
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Club Log
I upload logs on the
1st and the 15th
Sound of FSK Hell 105 baud
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Image of FSK Hell 105 baud