I am in the process of building a SO2R station and have a question of
interstation interference and bandpass filters. I live on a very small lot and
have no room for antenna separation. I only have wire antennas and a vertical
for 20 meters. I have a set of bandpass filters for each radio. I still get
quite a bit of phase noise hash on adjacent bands even with filters. It doesn't
seem that the filters make any difference at all ? The biggest reduction in
noise is between the dipole antennas and the vertical. Can I ever expect to get
the noise to acceptable levels with antennas so close to each other ? Thanks
-Joe N3HEE
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