fourier analiser from Gymnasiumnovum on Vimeo.
Mixer math with plywood and gears.
http://www.instructables.com/id/Plywood-Math-Machine/
http://hackaday.com/2016/04/11/fourier-machine-mimics-michelson-original-in-plywood/#more-199177
http://hackaday.com/2014/11/18/harmonic-analyzer-mechanical-fourier-computer/
Posts
Which Sideband, Which Band?
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I honestly have no idea as to the REAL answer for why Lower Sideband on
160, 80 and 40M but all others use Upper Sideband. The anomaly is 60M
sandwiched in...
3 hours ago
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