KJ4OKC Timothy D Martin PO BOX 496 Collinsville, AL 35961 United States Operator Class GENERAL Previous Callsign Grant Date 06/06/2019 Expire Date 08/17/2029 Codes HAI - Ham Radio - Individual Ads from KJ4OKC on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of