Following eligibility lists contain NC4S
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Potomac Valley Radio Club | 2024-03-01 23:41:26 | 250 mile circle | FM07wi | NC4S | FM03ww | 236.1 |
| Potomac Valley Radio Club | 2024-02-16 18:20:24 | 250 mile circle | FM07wi | NC4S | FM03ww | 236.1 |
| Potomac Valley Radio Club | 2024-01-09 21:55:06 | 250 mile circle | FM07wi | NC4S | FM03ww | 236.1 |
| Potomac Valley Radio Club | 2024-01-06 14:45:48 | 250 mile circle | FM17bk | NC4S | FM03ww | 242.2 |
| Potomac Valley Radio Club | 2023-12-01 21:37:53 | 250 mile circle | FM17bk | NC4S | FM03ww | 242.2 |
| Potomac Valley Radio Club | 2023-11-18 20:47:44 | 250 mile circle | FM17bk | NC4S | FM03ww | 242.2 |
| Potomac Valley Radio Club | 2023-08-19 22:14:02 | 250 mile circle | FM17bk | NC4S | FM03ww | 242.2 |