Following eligibility lists contain K4TH
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Carolina DX Association | 2019-02-08 21:16:11 | 175 mile circle | EM95xe | K4TH | FM14di | 144.4 |
| Carolina DX Association | 2018-01-30 20:12:39 | 175 mile circle | EM95xe | K4TH | FM14di | 144.4 |