K1ZM Jeffrey T Briggs PO BOX 616 South Orleans, MA 02662 United States Operator Class EXTRA Previous Callsign Grant Date 08/22/2024 Expire Date 11/03/2034 Codes HAI - Ham Radio - Individual Ads from K1ZM on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of