 1 4U1ITU - CW - SSB Year: 2000, 2001 Band: 10, 20m Specifics: International Telecommunication Union headquarters in Geneva, Switzerland |
 2 4U1ITU - CW - SSB Year: 2000, 2001, 2002 Band: 12, 15, 17, 20, 30, 40, 80m Specifics: International Telecommunication Union headquarters in Geneva, Switzerland |
 3 4U1WRC - CW - SSB Year: 2003 Band: 10, 12, 15, 17, 20, 30, 40m Specifics: International Telecommunication Union headquarters in Geneva, Switzerland |
 4 4U0ITU - 4U150ITU - CW - SSB Year: 2015 Band: 17, 20, 40m Specifics: International Telecommunication Union headquarters in Geneva, Switzerland |
