"E.F." wrote in message
news:FbA6f.1823$mV4.1158@dukeread02...
What are some of the interferences out there that mess up SW?? It seems
that everytime I have my laptop on it get a high pitch tone.

EF
Well that's One.
The power supply is Two
Any digital clock radio
Fluorescent lighting
actually, the list is endless.

Brad.