Shayne wrote:

I currently clip a 50 foot wire to the whip of my Sangean ATS-909 whip. it
works fine most of the time for me. Do the slinky antennas currently
available in ebay work? If so, what is the best way to use one?
Shayne

I doubt a slinky antenna would "work" better than your 50-ft. wire on
most shortwave bands but the slinky might be more sensitive and/or
directional on certain frequency ranges (bands).