My neighborhood is loaded with some kind of electrical noise which makes
working 160 & 75 meters difficult. I have tried to locate the source but
have come up empty at this point. It appears to be something other than
power line noise which may mean its coming from someones house.

I was hoping the solution to the problem was to build a low noise receiving
loop antenna.

Well, the noise is mostly gone..........but so are the signals.....even when
I use a preamp.

I have tried an ICE 75 meter preamp and a KD9SV 160/75 meter preamp.

Still the noise is gone but the signals are really weak, if I hear anything
at all.

Not sure what if anything I did is wrong or if I am expecting too much from
this loop or the preamps don't have enough gain to make this work.

Anyone familiar enough with receiving loops to be able to assist me in
figuring out whats wrong here?

TIA

Tony