XPost: rec.radio.amateur.moderated, aus.radio.amateur.misc, rec.radio.amateur.dx
marxy's musing on technology
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ZM-4 Z-match antenna tuner kit review
Posted: 01 Sep 2021 06:06 PM PDT
http://blog.marxy.org/2021/09/zm-4-z-match-antenna-tuner-kit-review.html
Years ago I built the AM-2 Z-Match antenna tuner and found that it could
match pretty much any old bit of wire thrown outside. I melted the
polyvaricons by running WSPR one day but they were easily replaced.There's
a German made evolution of this design with more robust variable capacitors
and a larger toroid that claims to handle up to 15W.The ZM-4 kit is
available from QRP-Shop for 98 Euros. It
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