What Make and Model of Shortwave Radio ?

I'm using a Kenwood R-2000 Communications Receiver. For now, I've got
a flaky temporary setup with a longwire antenna strung up from the
back of the receiver and running the perimeter of the ceiling
throughout the inside of the house. The wire is attached directly to
the clip on the back fo the receiver, with no grounding. This is no
doubt a large part of my interference problem. Once I get time to
feed my radio with coax out to an outdoor, elevated longwire, with
appropriate grounding, I'm sure my problems will greatly diminish.
I've received a large number of replies to this query, with some great
suggestions, so we'll see how it goes. Thanks.

Rob KC7BUM
Portland, Oregon