Dear Fausto, LF Group, Having the top loading wires as high up as possible is always best - greater height means higher radiation resistance and usually lower loss resistance, so that will boost your
Fausto, as the length of the line (20m) is only a very small part of the wavelength (less than 1% at 137kHz) the impedance does not matter too much. But after the variometer you will have a very high
Dear Fausto, LF Group, Beware of sweeping generalisations - I think the answer is that "it depends on the antenna". You need to think about your particular antenna carefully. At 136k, 20m of transmis
Hi Jim, Fausto, LF, It seems i have misunderstood what Fausto wants to do. Of course, having the complete coil into the shack does not allow using RG213 ;-) I thought Fausto only wants to TUNE the sy