K4RDH Robert D Henning 413 E 7th St Hardinsburg, KY 40143 United States Operator Class GENERAL Previous Callsign Grant Date 04/07/2022 Expire Date 06/16/2032 Codes HVIE - Vanity code - Primary Station Preference List Ads from K4RDH on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of