Search by callsign, name, or city across ~1.15 million active amateur licenses: US (FCC, 660K), Japan (MIC via JJ1WTL, 320K), Canada (ISED, 92K), Germany (BNetzA, 70K), Finland (Traficom via OH6AD, 7K), Australia (ACMA, 880). Each result includes the DXCC entity for the callsign prefix.