| UTC | |
| USA Pacific | |
| Japan | 
| Date | Call | Grid | Mode | Band | Frequency | 
|---|---|---|---|---|---|
| 07 Nov 20 | IK4LZH | JN54qm | FT8 | 30m | 10.137360 | 
| 11 Oct 20 | IK4RQJ | JN54ls | FT8 | 30m | 10.138200 | 
| 20 Mar 14 | IZ4VSD | JN54hq | PSK31 | 12m | 24.920000 | 
| 20 Mar 14 | IZ4VSD | JN54hq | PSK31 | 17m | 18.100000 | 
| 17 Mar 14 | IZ5OQJ | JN54qa | PSK31 | 10m | 28.120927 | 
| 17 Mar 14 | IZ5OQJ | JN54qa | PSK31 | 10m | 28.120000 | 
| 19 Oct 13 | IK4IDF | JN54xl | PSK31 | 15m | 21.071859 | 
| 26 Oct 12 | I4KYO | JN54ks | PSK31 | 10m | 28.120445 | 
| 24 Oct 12 | IZ5MMB | JN54ab | PSK31 | 10m | 28.121649 | 
| 19 Oct 12 | IK5FKF | JN54fb | PSK31 | 10m | 28.120485 | 
| 16 Nov 11 | I4IOR | JN54ks | PSK31 | 10m | 28.120241 | 
| 24 Oct 11 | II4LXV | JN54pm | PSK31 | 10m | 28.120629 | 
| 18 Apr 10 | IK4UOA | JN54dt | PSK31 | 20m | 14.071795 | 
| 01 Mar 10 | IZ4CZL | JN54sj | PSK31 | 17m | 18.100574 | 
| 01 Mar 10 | IZ4BEZ | JN54xk | PSK31 | 17m | 18.101514 | 
| 20 Nov 09 | IK4IDF | JN54xl | PSK31 | 20m | 14.071649 | 
| 20 Oct 09 | IZ4OUL | JN54pm | PSK31 | 20m | 14.072391 | 
| 09 Oct 09 | IK5FKF | JN54fb | PSK31 | 20m | 14.072619 |