Following eligibility lists contain K3MRK
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Allegheny Valley Radio Association | 2023-11-22 19:19:12 | ARRL Section | Western Pennsylvania | K3MRK | FN10uc | [no dist] |
| Allegheny Valley Radio Association | 2017-10-27 20:35:02 | 175 mile circle | FN00mw | K3MRK | FN10uc | 151.4 |
| Allegheny Valley Radio Association | 2017-10-27 20:17:46 | 175 mile circle | FN00mw | K3MRK | FN10uc | 151.4 |