KT5X FREDERICK H MAAS 36 SETON VILLAGE RD SANTA FE, NM 87508-8153 United States Operator Class EXTRA Previous Callsign Grant Date 04/21/2025 Expire Date 07/12/2035 Codes HAI - Ham Radio - Individual Ads from KT5X on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of