Toni Baertschi schrieb: PS. Actually it is very cold here and my antenna de-tunes from hour to hour as the soil is freezing deeper and deeper. Not only the resonance goes higher, the impedance is als
Here I'm using now an LF match box in the shack, so it's no longer necessary to go outside for fine tuning. It's a PI-configuration with parallel C's at the in and output, they can be switched in 5nF