K4SVT William A Klosowski 1140 CHENEY HIGHWAY Unit H Titusville, FL 32780 United States Operator Class EXTRA Previous Callsign Grant Date 01/27/2024 Expire Date 06/20/2028 Codes HVIE - Vanity code - Primary Station Preference List Ads from K4SVT on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of