KO9B Sotirios Bakas 424 E 500 N Valparaiso, IN 46383 United States Operator Class EXTRA Previous Callsign Grant Date 09/02/2020 Expire Date 11/02/2030 Codes HVIE - Vanity code - Primary Station Preference List Ads from KO9B on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of