| UTC | |
| USA Pacific | |
| Japan |
| Date | Call | Grid | Mode | Band | Frequency |
|---|---|---|---|---|---|
| 26 Nov 20 | N0YO | EM18fa | FT8 | 10m | 28.076100 |
| 28 Sep 20 | N0YO | EM18fa | FT8 | 20m | 14.075800 |
| 23 Sep 20 | K0WA | EM18hb | FT8 | 20m | 14.076100 |
| 22 Sep 20 | N0YO | EM18fa | FT8 | 40m | 7.076300 |
| 25 Aug 12 | N0F | EM18 | PSK63 | 20m | 14.070647 |
| 25 Aug 12 | N0F | EM18 | PSK63 | 15m | 21.071335 |
| 25 Aug 12 | N0F | EM18 | PSK31 | 15m | 21.071364 |
| 07 Jan 12 | K0WA | EM18hb | RTTY | 10m | 28.084879 |
| 10 Nov 11 | KC0PTO | EM18wd | PSK31 | 10m | 28.121779 |
| 10 Nov 11 | K0V | EM18wd | PSK31 | 10m | 28.121776 |
| 07 Nov 11 | WB0SMZ | EM18gd | PSK31 | 40m | 7.035964 |
| 28 Aug 10 | KD0MJT | EM18 | PSK31 | 20m | 14.071740 |
| 13 Jan 10 | AB0TX | EM18fa | PSK31 | 20m | 14.072454 |
| 15 Dec 09 | AB0TX | EM18fa | PSK31 | 20m | 14.071045 |
| 15 Sep 07 | KB0PGI | EM18EQ | PSK31 | 20m | 14.071340 |
| 15 Sep 07 | KB0PGI | EM18eq | PSK31 | 20m | 14.071340 |