LF So it goes on and on something about nothing !! Ferrite cores !! If you want an efficient antenna and have enough room Shack or Outside use a conventional antenna or an AIR WOUND loop or COIL. Fer
Not all of us are "serious LF DX operators with QRO in mind". I have serious space restrictions and can only experiment on LF reception, and even then with some difficulty. Costas SV1XV -- PGP key: 0