ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Hackaday Square Waves -- Al Williams
See http://hackaday.com/2015/09/17/visualizing-the-fourier-transform
2
3
IndexF3FF+3F5FF+3F+5F7FF+3F+5F+7F
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00000000
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40.22718207710.21154840730.43873048430.18221758030.62094806460.1427770590.7637251236
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