Just another note. I learned of these filters years ago from a ham friend
who was into QRP and he used these type units. You just plug the QF-1 into
the headphone jack of your receiver and plug your headphones into the QF-1.
To easy


--
73 and good DXing.
Brian
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
A lot of radios and 100' of rusty wire!
Zumbrota, Southern MN
Brian's Radio Universe
http://webpages.charter.net/brianhill/