Sometimes,I hear two stations on the same frequency.What is needed is a
good null out antenna.
cuhulin

By this I assume you mean a steerable loop; this can be a good solution
if both are actually on that frequency. That MFJ Noise Canceller I
use, in addition to zapping noise, can also null out offending stations
using two phased antennas. It can kill a pretty strong station well
enough to reveal a much weaker one underneath. The only drawback to
this unit that I can see is that it can only zap one noise source or
station at a time. Multiple interference sources would require
multiple units in series; and I'm not sure what that would do to the
signal either. Others here have tried multiple unit noise canceller
arrays with success.

Bruce Jensen