Following eligibility lists contain KO4Z
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Tennessee Contest Group | 2024-11-02 11:53:24 | 250 mile circle | EM65xt | KO4Z | EM55dl | 207.2 |
| Tennessee Contest Group | 2024-09-18 13:32:34 | 250 mile circle | EM65xt | KO4Z | EM55dl | 207.2 |
| Tennessee Contest Group | 2024-09-18 13:19:40 | 250 mile circle | EM65xt | KO4Z | EM55dl | 207.2 |
| Tennessee Contest Group | 2024-01-09 14:50:15 | 250 mile circle | EM65xt | KO4Z | EM55dl | 207.2 |
| Tennessee Contest Group | 2023-11-02 23:05:15 | 250 mile circle | EM65xt | KO4Z | EM55dl | 207.2 |
| Tennessee Contest Group | 2023-10-07 13:10:40 | 250 mile circle | EM65xt | KO4Z | EM55dl | 207.2 |
| Tennessee Contest Group | 2023-02-27 13:41:22 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2023-01-05 14:17:33 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2022-11-18 17:02:30 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2022-04-05 01:22:23 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2022-02-16 16:04:50 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2021-11-20 14:45:56 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2021-06-20 02:35:49 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |
| Tennessee Contest Group | 2021-06-10 13:15:44 | ARRL Section | Tennessee | KO4Z | [no grid] | [no dist] |