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Tunner ASTU for portable
Is a variation of the traditional z match, but using switched coil tappings
post 16 May 2026
Antenna Transmatch tuner Links →
Pi-filter ATU voor Beams en Verticals
An antenna tuner for coaxial cable powered resonance antennas, such as beams and verticals for 10 to 20 m, can easily be made with normal components
QRP Antenna Tuner
The tuner was built in an aluminum project box. Various holes were drilled in the box for mounting all of the components. When laying out the parts, leave plenty of room around the sides of the components to prevent RF arcing
S match A symmetrical and universal ATU
The Balanced Universal ATU System. The system is intended to accommodate balanced antenna systems transmitting on a very wide frequency spectrum, ranging from 160 m band up to 10 m band
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An antenna tuner for coaxial cable powered resonance antennas, such as beams and verticals for 10 to 20 m, can easily be made with normal components
The tuner was built in an aluminum project box. Various holes were drilled in the box for mounting all of the components. When laying out the parts, leave plenty of room around the sides of the components to prevent RF arcing
The Balanced Universal ATU System. The system is intended to accommodate balanced antenna systems transmitting on a very wide frequency spectrum, ranging from 160 m band up to 10 m band
All Spectrum Electronic All Spectrum Electronics Hobby Kits and Electronics Supply
Dxengineering Ham Radio Equipment DX Engineering Ham Radio Equipment & Supplies
BA-Electronics Ba-electronics, a division of products, has added electronic components, test equipment, wire, and supplies to its product offering