| UTC | |
| USA Pacific | |
| Japan |
| Date | Call | Grid | Mode | Band | Frequency |
|---|---|---|---|---|---|
| 22 May 14 | UT7UJ | KO50fm | RTTY | 17m | 18.100000 |
| 19 Jul 10 | UT3UA | KO50gh | PSK31 | 20m | 14.071675 |
| 07 Jul 10 | UT3UA | KO50gh | PSK31 | 20m | 14.072693 |
| 18 May 08 | UT4UQ | KO50gj | PSK31 | 20m | 14.071636 |
| 18 May 08 | UT4UQ | KO50HL | PSK31 | 20m | 14.071600 |