More Part #15 INFO to load onto you? Boomer's got it!!!! The op of AM Carrier-Current, AM690. Check-out his site here! http://boomerthedog.net/radio.html And, not just Boomer, SWL DX'er, Chris Smolinski, found this dude whom home brews Part #15 AM Tube transmitters, and in two parts. NICE!!!!! " Coincidentally I ran across this today: Part 15 Old Style Tube Broadcaster - Part 1: https://www.youtube.com/watch?v=-pJ-kErTI54&feature=youtu.be Part 15 Broadcast Band Transmitters part 2: https://www.youtube.com/watch?v=rs0w7ZS9hFE " Enjoy!!!!!