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Oh, I agree entirely Chuck, and I thank you. As a 13-year-old, I nearly froze to death attaching my xtal radio set that I got for Christmas to my grandfather's 1/4 mile long electric fence wire and listening to the strong local stations in the headphones with the 3 others in the background that you could hear much fainter, but that fixed the DX bug in me to the point I was bringing wires into the house to hook around the ferrite antennas. Then I started winding random small coils across the tuning capacitor of grandma's Zenith tube-type AM radio to discover Radio Canada International upon which I listened so much that I often forgot about doing my chores or my homework. Eventually, a friend loaned me his Hallicrafters SW radio where I learned the code as I was a 10M addict since it was close in frequency to my other grandfather's CB that his neighborhood used to tp citizen patrols for wayward teens through their REACT club. Grandpa was a retired colonel so discipline he vowed to teach me besides calculus. It seems like I learn the best by doing things the hard way and never like anyone else thinks I should. Anyway, it has been a lot of fun playing with these BCI filters and learning the ins and outs of them.

Davey - KU9L