W3DDF CHARLES F WIRTH, JR 15112 SNOWDEN DRIVE SILVER SPRING, MD 20905-5663 United States Operator Class EXTRA Previous Callsign Grant Date 11/20/2018 Expire Date 02/13/2029 Codes HVIE - Vanity code - Primary Station Preference List Ads from W3DDF on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of