On 01/16/2011 05:17 PM, John Smith wrote:
On 1/16/2011 5:08 PM, bpnjensen wrote:

...
Thanks, Dave, but I am afraid I don't even know what these devices are
or how they'd be used.

This might help:
http://www.iw5edi.com/ham-radio/?how...-traps-work,88

Regards,
JS

A tuned loop will give you a fighting chance. I think Ace's bud in
Chitown has one. Peter somebody...