N2DSE CHARLES DUPPER, JR 21 PROSPECT ST MONROE, NY 10950 United States Operator Class GENERAL Previous Callsign Grant Date 01/12/2016 Expire Date 02/12/2026 Codes HAI - Ham Radio - Individual Ads from N2DSE on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of