| UTC | |
| USA Pacific | |
| Japan |
| Date | Call | Grid | Mode | Band | Frequency |
|---|---|---|---|---|---|
| 04 Oct 20 | N0FIB | EN31lq | FT8 | 40m | 7.076375 |
| 15 Sep 20 | K2DSW | EN31fg | FT8 | 40m | 7.076496 |
| 13 Sep 20 | K2DSW | EN31fg | FT8 | 20m | 14.076489 |
| 09 Sep 20 | W0BLE | EN31eo | FT8 | 20m | 14.075075 |
| 27 Jan 14 | KR0ES | EN31oi | PSK31 | 15m | 21.071209 |
| 17 Jan 14 | W0GZR | EN31dp | PSK63 | 15m | 21.071851 |
| 30 Oct 12 | KC0YHU/M | EN31dp | PSK31 | 10m | 28.121000 |
| 17 Sep 12 | W0DQ | EN31dq | PSK31 | 15m | 21.070539 |
| 12 Sep 11 | W0GZR | EN31dp | PSK31 | 20m | 14.072535 |
| 04 Jun 11 | KD0ECS | EN31ct | PSK31 | 20m | 14.072605 |
| 18 May 11 | W0NBP | EN31ta | PSK31 | 17m | 18.101801 |
| 01 Apr 11 | W0DQ | EN31dq | PSK31 | 20m | 14.071098 |
| 05 Mar 11 | W0GZR | EN31dp | PSK31 | 15m | 21.071744 |
| 31 Jan 11 | N0XWJ | EN31ct | PSK31 | 40m | 7.035820 |
| 29 Jan 11 | W0NBP | EN31ta | PSK31 | 17m | 18.100000 |
| 28 Jan 11 | KD0HIH | EN31fo | PSK31 | 17m | 18.101297 |
| 16 Jan 11 | N0XWJ | EN31ct | PSK31 | 20m | 14.070869 |
| 24 Mar 10 | KD0HIH | EN31fo | PSK31 | 20m | 14.072093 |
| 09 Mar 10 | W0NBP | EN31ta | PSK31 | 17m | 18.100988 |
| 04 May 09 | K0MDV/QRP | EN31sa | PSK31 | 40m | 7.035744 |
| 16 Feb 09 | W0NBP | EN31ta | PSK31 | 30m | 10.140000 |
| 26 Jan 09 | KC0MS | EN31fo | PSK31 | 80m | 3.581594 |
| 12 Jan 09 | AC0H | EN31dp | PSK31 | 20m | 14.070911 |
| 10 Jan 09 | W0DQ | EN31ep | PSK31 | 20m | 14.071787 |
| 05 Jan 09 | W0DQ | EN31ep | PSK31 | 40m | 7.070738 |
| 16 Sep 08 | W0NBP | EN31ta | PSK31 | 40m | 7.071994 |
| 09 Jan 08 | W0NBP | EN31ta | PSK31 | 80m | 3.583602 |
| 27 Nov 07 | W0ARL | EN31EP | PSK31 | 40m | 7.036700 |
| 27 Nov 07 | W0ARL | EN31ep | PSK31 | 40m | 7.036700 |
| 03 Nov 07 | W0NBP | EN31TA | PSK31 | 20m | 14.071970 |
| 03 Nov 07 | W0NBP | EN31ta | PSK31 | 20m | 14.071972 |