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CQ Amateur Radio (Digital)

CQ Amateur Radio (Digital)

1 Issue, December 2022

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analog adventures

Bridging the Gap
analog adventures
I have always been a fanatic about old/vintage/ancient/prehistoric electrical instruments. After our recent QSY (the physical type, not the frequency type), I “inherited” yet another huge collection of semi-vintage Hewlett-Packard test devices. It will be one of my dark winter projects to restore some of these gems to their former functionality, if not their former glory. I have some friends who are FAR more skilled at cosmetic restoration of boat anchors and such than I will ever be. One of my recent non-HP hamfest acquisitions is this nice Heathkit RLC bridge (Photo A), not necessarily a precision instrument, but very useful, nonetheless. I can never resist adopting anything Heathkit. Now a large percentage of electrical and electronic instruments incorporate some sort of bridge circuit. The classic Wheatstone bridge has countless…
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CQ Amateur Radio (Digital) - 1 Issue, December 2022

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