 
                            
                            Maybe the ultimate home-brew project is to build the modern \u201cKWM4\u201d 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\u2019s dream rig. Pete joins Eric, 4Z1UG, for a conversation on home-brewing, construction technique, and ham radio on QSO Today. \xa0