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The Balanced Universal ATU


It is possible with only two components of a LC circuit to build a symmetrical ATU without taps and coupling links
post 18 Aug 2021


Antenna Transmatch tuner Links

205



End Fed Halfwave and Tuner For 80-160
I planned to set up portable and lift the 123-foot wire with some helium balloons and operate in the QRP category

HF/6M Antenna Tuner Preselector and Antenna Switcher, ON6MU
Frequency range: 2Mc...52Mc, 180m band depending on the mismatch of the antenna used and/or maximum inductance. Experimenting with the coils can be desirable

Hf remote antenna unner unit
Consiglio un cavo coassiale per il collegamento del servo fra box di controllo e accordatore

HF/VHF Portable Mini Tuner
Variable capacitor of at least 300pF or better 500 pF,frequency range depending on the coil min & max inductance 160m...6m

10 m| 12 m| 15 m|
17 m 20 m| 2 m|
23 cm| 30 m| 40 m
6 m| 70 cm| 80 m| 160 m| 136 khz
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