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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal">Is there any value to a pile of old set-top cable boxes (maybe 30 or more of them)?</p><p class="MsoNormal"> </p><p class="MsoNormal">Inside they have the typical DC voltage varactor tuned Cable Tuner modules that people used to make cheap spectrum analyzers out of. Lots of articles back a decade or more ago.</p><p class="MsoNormal"> </p><p class="MsoNormal">A simple DC voltage could tune them from maybe 50 to maybe 800 or higher MHz. Output was probably around 50 MHz (Ch 3?)</p><p class="MsoNormal"> </p><p class="MsoNormal">Should I bring them to Dayton? Or chuck-em.</p><p class="MsoNormal">Bob, WB4aPR</p><p class="MsoNormal"> </p></div></body></html>