 1 C21MM - CW - FT8 Year: 2024 Band: 17m Specifics: IOTA OC-031 mainland Nauru |
 2 C21GC - CW Year: 2014 Band: 20m Specifics: IOTA OC-031 mainland Nauru |
 3 C21EU - CW - SSB Year: 2015 Band: 10, 20m Specifics: IOTA OC-031 mainland Nauru |
 4 C21XF - CW Year: 2005 Band: 17m Specifics: IOTA OC-031 mainland Nauru |
 5 C21XU - SSB Year: 2001 Band: 10m Specifics: IOTA OC-031 mainland Nauru |
