I found those 4.224 Crystal oscillators (ex equipment) on eBay .
Divide 4224 by 32 (first 8 and then make the quadrature signals), and the LO frequency ends up on 132 kHz. Not bad for a 136 kHz SDR.
Mike WU2D Does a CCC Camp POTA with 1930's Gear
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*FB Mike. CW without sidetone is not for the faint of heart. *
*Walter KA4KXX saw Mike on the Reverse Beacon Network. *
*Mike's QSO with KN4RRQ was espe...
4 days ago
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