K5TRI Michael Schulz 15702 Banty Falls Ct. Houston, TX 77068 United States Operator Class EXTRA Previous Callsign Grant Date 01/06/2022 Expire Date 06/04/2031 Codes HVIE - Vanity code - Primary Station Preference List Ads from K5TRI on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of