To answer my own question, the diodes are 1N914 or 1N4148. I emailed
the author of the article and he was kind enough to write back and give
me a detailed explanation. I believe he's using a 2K pot. I'll
probably put a 10k pot in series with a 1k resistor and take it from
there. I appreciate your advice. Now I have a pretty clear picture on
how my "Gizmoe Box" will work.

GO PATRIOTS!


Dennis wrote:

Thanks again to everyone. I feel like my protector box is honing in
nicely and should have it put together in another day or two. If
someone can tell me what the component values are in the WD8DAS
schematic, I would really appreciate it.