KD9U DAVID J OLIVER 6840 E OAKWOOD AVENUE KNOX, IN 46534 United States Operator Class EXTRA Previous Callsign Grant Date 03/31/2020 Expire Date 04/06/2030 Codes HVIE - Vanity code - Primary Station Preference List Ads from KD9U on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of