Bob Cunnings wrote:
Maybe, for your line length, the 4:1 transformation is putting the
feedline input Z out of range of the K1 tuner on 40 and 30. It might
be fun to try switching to a 1:1 balun (or no balun at all) to just to
see what happens... since it's so easy to do. Beyond that,
experimenting with feedline length seems like the next step.
To see how feed line length effects tuning see
<http://www.qsl.net/w5dxp/notuner.htm> (as mentioned in a previous
post) An antenna analyzer really helps but the 4SQRP club's
"Tenna-dipper" is a cheaper alternative, if its still available.
Bob Baxter aa7eq
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