Following eligibility lists contain CF3EF
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Contest Club Ontario | 2017-11-21 02:55:09 | 175 mile circle | FN04te | CF3EF | EN93xr | 88.7 |
| Contest Club Ontario | 2017-11-01 21:34:36 | 175 mile circle | FN04pn | CF3EF | EN93xr | 87.7 |
| Contest Club Ontario | 2017-10-07 19:26:52 | 175 mile circle | FN04pn | CF3EF | EN93xr | 87.7 |
| Contest Club Ontario | 2017-05-29 10:49:31 | 175 mile circle | EN93rx | CF3EF | EN93xr | 30.3 |