Today I have free time,so I adjustment for home brew preselector. It is two pole preselector. Antenna be able to select 2 antennas. Antenna 2 can use the small loop antenna. It is not enough sencivity, so antenna 2 add 2sk125 GG pre amp.
This preselector band width is about 20Khz for -6dB, If very noise condition that into this one. the noise flore to down. Very good it.