K6KAL Richard W Kalkofen 4952 S Rainbow Blvd, PO BOX 234 Las Vegas, NV 89118-1238 United States Operator Class EXTRA Previous Callsign Grant Date 07/11/2014 Expire Date 09/25/2022 Codes HVIE - Vanity code - Primary Station Preference List Enter a Callsign:   Courtesy of