K7ZOO CURT W LAUMANN 1626 N Stewart Ave TUCSON, AZ 85716 United States Operator Class EXTRA Previous Callsign Grant Date 03/12/2025 Expire Date 03/13/2035 Codes HVIE - Vanity code - Primary Station Preference List Ads from K7ZOO on QTH.com Classifieds View Now! Put this form on your page! Enter a Callsign:   Courtesy of