George Zafiropoulos, KJ6VU, is the the co-host of the Ham Radio Workbench Podcast, one of the more popular ham radio podcasts. George has a long and interesting ham radio history as well as he is accomplished home-brewer, builder, operator, and high tech executive. We touch on a few of my favorite subjects that include repeaters and repeater controllers, the Cactus Intertie, DMR, and building with Arduino micro-controllers. KJ6VU is my QSO Today.