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A Homebrew Antenna Tuner


I decided to build a homebrew antenna tuner because I needed a passive pre-selector network to match an experimental end-fed wire antenna to my QS1R SDR receiver
post 18 Aug 2021


Antenna Transmatch tuner Links

205



Palstar AT1500CV
Palstar AT1500CV. I had this tuner in use for more than three years and I liked it very much. The tuner is equipped with asymmetrical and symmetrical connections.

Projects
I like inverted L's because I get both vertical and horizontal radiation

Remote control L match aerial Tuning Unit
One of the geared motors turns the roller coaster inductor, the other a variable capacitor.Both motors run at approximately 60 RPM

Symmetrisch antenne systeem
A balun is placed at the input of a symmetrical ATU to make the input signal symmetrical or at the output of an asymmetrical ATU a balun couples the signal symmetrically to the open line

Accordatore-1-kw-0.5-mhz-a-60-mhz
Sicuramente l'accordatore costruito in proprio, dopo le antenne,e' l'apparato piu' presente in Internet dopo le antenne autocostruite

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