N4MRG MICHAEL T TROXLER 513 Saint Croix Dr Holly Springs, NC 27540 United States Operator Class EXTRA Previous Callsign Grant Date 03/15/2018 Expire Date 05/28/2028 Codes HAI - Ham Radio - Individual Ads from N4MRG on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of