Following eligibility lists contain KT0A
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Grand Mesa Contesters of Colorado | 2023-10-23 02:16:31 | 250 mile circle | DM79fa | KT0A | DN83gk | 323.8 |
| Grand Mesa Contesters of Colorado | 2022-11-18 17:08:38 | 175 mile circle | DM79fa | KT0A | DN83gk | 323.8 |
| Great Places Contest Club | 2023-12-26 20:39:32 | ARRL Section | South Dakota | KT0A | [no grid] | [no dist] |
| Great Places Contest Club | 2020-09-06 19:43:41 | ARRL Section | South Dakota | KT0A | [no grid] | [no dist] |
| Great Places Contest Club | 2019-11-02 03:39:17 | ARRL Section | South Dakota | KT0A | [no grid] | [no dist] |
| Great Places Contest Club | 2019-11-01 14:26:43 | ARRL Section | South Dakota | KT0A | [no grid] | [no dist] |
| Great Places Contest Club | 2019-10-31 19:14:05 | ARRL Section | South Dakota | KT0A | [no grid] | [no dist] |
| Hot Springs ARC | 2019-11-15 11:29:51 | 35 mile circle | DN83gk | KT0A | DN83gk | 0.0 |
| Hot Springs ARC | 2019-11-14 11:26:48 | 35 mile circle | DN83gk | KT0A | [no grid] | [no dist] |