Following eligibility lists contain KX0U
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Heartland DX Association | 2024-03-25 03:21:13 | 250 mile circle | EN21ag | KX0U | EN21ae | 5.8 |
| Heartland DX Association | 2023-12-30 04:08:23 | 250 mile circle | EN21ag | KX0U | EN21ae | 5.8 |
| Heartland DX Association | 2023-11-27 02:41:28 | 250 mile circle | EN21ag | KX0U | EN21ae | 5.8 |
| Heartland DX Association | 2023-10-06 04:13:51 | 250 mile circle | EN21ag | KX0U | EN21ae | 5.8 |
| Heartland DX Association | 2023-09-12 03:29:21 | 250 mile circle | EN21ag | KX0U | EN21ae | 5.8 |
| Heartland DX Association | 2023-07-22 04:03:15 | 175 mile circle | EN21ag | KX0U | EN21ae | 5.8 |