Modifications to the Single
Coil Z Match for 1.8 MHz
The addition of three fixed capacitors and a 4 position switch gives the whole load resistance range at 1.8MHz
post 12 Nov 2019
Antenna Transmatch tuner Links
Tunner ad L, accorda facilmente tutte le gamme HF partendo da un antenna random long wire
Antenna matching systems with a parallel resonant circuit and inductive coupling were once very good
Here is a small tuner box Levy antenna that covers with a single self and without switching the bands from 14 to 28 MHz