NO6M DAVID R BARNES PO BOX 1316 GUERNEVILLE, CA 95446 United States Operator Class EXTRA Previous Callsign Grant Date 02/06/2019 Expire Date 03/01/2029 Codes HAI - Ham Radio - Individual Ads from NO6M on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of