On pages 47-50 of the April 2004 QST is an article about a guy who operated
from the top of Mt. Kilimanjaro. On page 50 is a photo of his traveling
station -- a Yaesu FT-857 with a "homebrew symmetrical double-L matchbox
tuner" feeding 300-ohm TV lead-in wire to an antenna.

Where would I find details of such a tuner?

I have an old Johnson Matchbox and I suspect the homebrew tuner on page 50
is similar -- but -- I'm looking for something much smaller -- a true
balanced-line tuner so I don't have to rely on a toroidal balun to feed
balanced line.

Thanks.

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Joe S.