In article ,
Dave Platt wrote:

If the antenna is close to 50 ohms resistive in the 40-meter band, and
is around 85.26 - J 186.3 in the 15-meter band, then you could
consider adding a series coil at the antenna feedpoint. If I'm doing
the numbers right, an inductance of 1.5 mH at the feedpoint would
cancel out the 186 ohm capacitive reactance almost exactly, leaving
you with an 85-ohm resistive impedance or an SWR of around 1.7:1, which
should be quite easy to drive.

.... for which, please read "1.5 uH" - micro rather than milli :-(

Similar errors elsewhere in my posting.

--
Dave Platt AE6EO
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