Following eligibility lists contain N4GBK
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Carolina DX Association | 2025-02-25 21:30:41 | ARRL Section | North Carolina | N4GBK | FM16rf | [no dist] |
| Carolina DX Association | 2025-02-20 12:58:49 | 250 mile circle | EM95xe | N4GBK | FM16rf | 209.1 |
| Carolina DX Association | 2024-02-22 00:47:20 | 250 mile circle | EM95xe | N4GBK | FM16rf | 209.1 |
| Carolina DX Association | 2024-01-30 13:16:51 | 250 mile circle | EM95xe | N4GBK | FM16rf | 209.1 |
| Carolina DX Association | 2024-01-05 19:48:33 | 250 mile circle | EM95xe | N4GBK | FM16rf | 209.1 |
| Carolina DX Association | 2023-09-03 15:26:35 | 250 mile circle | EM95xe | N4GBK | FM16rf | 209.1 |
| Carolina DX Association | 2021-03-30 11:16:53 | 175 mile circle | EM95xe | N4GBK | FM16se | 212.6 |