KI7YBU Robert M Cahn 62 peach ln underwood, WA 98651 United States Operator Class GENERAL Previous Callsign Grant Date 07/11/2023 Expire Date 05/07/2028 Codes HAI - Ham Radio - Individual Ads from KI7YBU on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of