In an earlier post I alluded to the fact that I was building an X-lock by Cumbria Designs with a view to incorporating it into my 30-year-old Yaesu FT-107M as that particular radio has (or had) a bad case of "driftitis".X-Lock is a software based derivation of the "Huff and Puff" oscillator stabilisation technique whereby the frequency of...
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