K4OV ROBERT A KATZ 3725 MOONLIGHT DR CHAPEL HILL, NC 27516 United States Operator Class EXTRA Previous Callsign Grant Date 09/07/2021 Expire Date 11/08/2031 Codes HVIE - Vanity code - Primary Station Preference List Ads from K4OV on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of