AD7RR David S Silver 21550 SW Athey Road West Linn, OR 97068 United States Operator Class EXTRA Previous Callsign Grant Date 05/01/2018 Expire Date 05/01/2028 Codes HAI - Ham Radio - Individual Ads from AD7RR on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of