Following eligibility lists contain KO4JXB
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Potomac Valley Radio Club | 2024-12-12 21:27:11 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-11-16 20:47:59 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-11-02 01:45:22 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-11-02 01:42:50 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-09-04 23:58:17 | 250 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2024-03-01 23:41:26 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-02-16 18:20:24 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-01-09 21:55:06 | 250 mile circle | FM07wi | KO4JXB | FM18it | 110.5 |
| Potomac Valley Radio Club | 2024-01-06 14:45:48 | 250 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-12-01 21:37:53 | 250 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-11-18 20:47:44 | 250 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-11-04 20:57:41 | 250 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-08-19 22:14:02 | 250 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-06-08 19:24:44 | 175 mile circle | FM08vb | KO4JXB | FM18it | 71.7 |
| Potomac Valley Radio Club | 2023-06-03 14:24:50 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-03-03 22:13:42 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-02-17 10:37:19 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2023-01-21 15:58:52 | 175 mile circle | FM08vb | KO4JXB | FM18it | 71.7 |
| Potomac Valley Radio Club | 2023-01-12 21:58:44 | 175 mile circle | FM08vb | KO4JXB | FM18it | 71.7 |
| Potomac Valley Radio Club | 2022-12-09 22:47:45 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2022-12-02 21:57:20 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2022-12-02 21:56:35 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2022-11-04 23:26:44 | 175 mile circle | FM17bk | KO4JXB | FM18it | 100.2 |
| Potomac Valley Radio Club | 2022-06-06 19:04:15 | 175 mile circle | FM08vb | KO4JXB | FM18it | 71.7 |