WB2HJK HIPPOCRATES J KOUTSOUPAKIS 34 23 STEINWAY ST SUITE 1000 LONG ISLAND CITY, NY 11101 United States Operator Class ADVANCED Previous Callsign Grant Date 08/10/2013 Expire Date 11/04/2023 Codes HVIE - Vanity code - Primary Station Preference List Enter a Callsign:   Courtesy of