WA6SW WILLIAM F COSS 11662 MC CORMICK ST NORTH HOLLYWOOD, CA 91601 United States Operator Class EXTRA Previous Callsign Grant Date 03/14/2017 Expire Date 03/14/2027 Codes HVIE - Vanity code - Primary Station Preference List Ads from WA6SW on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of