With apologies for the lack of audio during the program, below please find URLs to the videos that were used. Thanks to Ron N2RB for arranging the presentation! https://www.youtube.com/watch?v=2Ee42DJAuBA https://www.youtube.com/watch?v=LTV25OV4ENo https://www.youtube.com/watch?v=MVq02sml8ts Tnx & 73, Frank N3PUU --