"There is much pleasure in useless knowledge." — Bertrand Russell
I’m still working on “the code”, but this weekend is the CQ Sweep Stakes, and all the bands are alive with Morse code contacts. I recorded about 10 seconds of audio, and then converted it into a spectrogram so you could see the dozen or more simultaneous signals that are all present in a small bit of the 40m band. It’s chaos!
Try clicking on the image above for a closer look.
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