WB8WT MICHAEL J SHOWMAN 22373 RT 6 GRAND RAPIDS, OH 43522 United States Operator Class ADVANCED Previous Callsign Grant Date 01/28/2021 Expire Date 02/19/2031 Codes HVIE - Vanity code - Primary Station Preference List Ads from WB8WT on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of