K3MKB Michael K Brown 1195 E Mariposa Ave Bartow, FL 33830 United States Operator Class EXTRA Previous Callsign Grant Date 10/11/2012 Expire Date 12/27/2022 Codes HVIE - Vanity code - Primary Station Preference List Ads from K3MKB on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of