N4CWZ DAVID F COLLINS PO Box 17603 Winston Salem, NC 27116 United States Operator Class EXTRA Previous Callsign Grant Date 12/05/2023 Expire Date 03/20/2032 Codes HVIE - Vanity code - Primary Station Preference List Ads from N4CWZ on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of