Following eligibility lists contain KC3UDH
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Potomac Valley Radio Club | 2026-02-11 03:22:47 | 250 mile circle | FM07wi | KC3UDH | FM19ka | 127.3 |
| Potomac Valley Radio Club | 2026-02-11 03:22:42 | 250 mile circle | FM07wi | KC3UDH | FM19ka | 127.3 |
| Potomac Valley Radio Club | 2026-01-25 20:51:45 | 250 mile circle | FM07wi | KC3UDH | FM19ka | 127.3 |
| Potomac Valley Radio Club | 2025-12-11 21:39:39 | 250 mile circle | FM07wi | KC3UDH | FM19ka | 127.3 |
| Potomac Valley Radio Club | 2025-12-04 01:34:02 | 250 mile circle | FM07wi | KC3UDH | FM19ka | 127.3 |
| Potomac Valley Radio Club | 2025-11-14 23:29:14 | 250 mile circle | FM07wi | KC3UDH | FM19ka | 127.3 |