Chuck was first licensed as KN5LQU in 1957 and has held these calls: WA6HTD, DL4FQ, WA5IHS, KE5FI, KZ5MM, YN2PR plus temporary calls in VP5, C6, HK0, and other countries. Chuck's main interests are in contesting. He mainly works 10 meters and six meters, but can also be found in top band contests.