NI4K Zachary R Hartzell 3509 Chattahoochee Summit Ln SE Atlanta, GA 30339 United States Operator Class EXTRA Previous Callsign Grant Date 07/14/2023 Expire Date 07/14/2033 Codes HVIE - Vanity code - Primary Station Preference List Ads from NI4K on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of