How To Build An SWR / Relative Power Bridge - Part 3

I finish up the SWR meter. The parts are mounted on a piece of wood. I cover a bit of the theory, how it opeates, take a look at a commerical SWR meter, and finish up with some testing. The circuit is based on Don Cantrell, ND6T's Bitx Hacks web page: http://bitxhacks.blogspot.com/2017/03/