Justin McAllister, K5EM's early interest in ham radio in high school, set him on a professional path to electronic engineering for industry, startups, and entrepreneurship. In ham radio, Justin adopted a few favorite areas of special interest. Justin likes to operate satellites with his portable full duplex rig, operate the digital modes both actively and passively, creating new antennas designs, and getting out in nature to operate POTA and SOTA. K5EM is my QSO Today.