W9VZU WILLIAM E HOFF 1040 Crestview Dr Wrightstown, WI 54180 United States Operator Class ADVANCED Previous Callsign Grant Date 12/23/2025 Expire Date 01/05/2034 Codes HVIB - Vanity code - Close Relative of Former Holder Ads from W9VZU on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of