Adam,

For a simple 'external' Shortwave Listener's (SWL) Antenna
to use with the Sangean ATS-505 'portable' Shortwave Radio.

Read this Message posted here on Rec.Radio.Shortwave
http://groups.google.com/group/sci.e...4d0b603103e1e5


Using the 1/8" Mono-Jack External Shortwave Antenna Input.
Consider a Random Wire Antenna using a Matching Transformer
and Ground for Low Noise and Wide Range Frequency Coverage.
http://groups.google.com/group/rec.r...0f9d47978d5a0e
http://groups.google.com/group/rec.r...853a8796a28ec7

Also Read - Consider building and using the "Portable Wire Antenna"
(PWA) with your 'portable' AM/FM Shortwave Radio
like the Sangean ATS-505
http://groups.google.com/group/rec.r...990162f5b6eb0e


ABOUT - The Sangean ATS-505 'portable' AM/FM Shortwave Radio
http://groups.google.com/group/rec.r...0f74b635ee6a3e

http://groups.google.com/group/rec.r...cb79fcd7a6f59e


hope this helps - iane ~ RHF