Maybe the ultimate home-brew project is to build the modern “KWM4” based on the Collins KWM2, then soup it up, like a hotrod, with an Arduino microprocessor, a digital synthesizer, and a digital display. This was and is Pete Juliano, N6QW’s dream rig. Pete joins Eric, 4Z1UG, for a conversation on home-brewing, construction technique, and ham radio on QSO Today.