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Old 3rd Oct 2019, 5:35 pm   #127
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,763
Default Re: Antenna recommendation for 40 and 80M bands

Yup, that's the one.

Built carefully, it is a nice, low-loss ATU. It doesn't cover as extreme a range of impedances as some tuners do, but it covers enough. Extreme impedances are inevitably accessed via high-Q ( = increased loss) transforming circuits.

It also does the balanced transformation for you for free, and avoids the losses in baluns.

There's a commercially made version (Decca branded KW) sitting by my right elbow connected between an ICOM IC7700 and the open wire feeder to the inverted V over the house.

David
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