Following eligibility lists contain W4ZTH
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Florida Contest Group | 2026-02-25 13:47:21 | 250 mile circle | EL88qh | W4ZTH | EL88tv | 43.1 |
| Florida Contest Group | 2025-12-26 17:14:14 | 250 mile circle | EL88nm | W4ZTH | EL88tv | 39.9 |
| Florida Contest Group | 2025-11-10 01:03:18 | 250 mile circle | EL88nm | W4ZTH | EL88tv | 39.9 |