Really simple, really nice. I like the innovative way they achieved the RF quadrature: they did it by splitting and phase-shifting the RF signal, not the VFO signal. I also like Peter's use of the AM broadcast signal to demonstrate the sideband suppression. Then, SSTV for icing on the cake.
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Re: sticking DowKey
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I second that excellent advice; been there done that. Stiff paper sprayed
with DeoxIt, slide it gently between the contacts and rub. Works wonders.
Quote f...
3 hours ago
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