W4AMP JAMES V O BRIEN, III 575 Woodbridge Drive Dallas, GA 30157 United States Operator Class EXTRA Previous Callsign Grant Date 09/08/2017 Expire Date 09/08/2027 Codes HVIA - Vanity code - Former Primary Station Holder Ads from W4AMP on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of