K9XB ROBERT F DURFEE, III 924 LINCOLN AVE SHEBOYGAN, WI 53081 United States Operator Class EXTRA Previous Callsign Grant Date 12/06/2021 Expire Date 03/06/2032 Codes HVIE - Vanity code - Primary Station Preference List Ads from K9XB on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of