Following eligibility lists contain N6ZFO
 Club  | Timestamp | Geo Type | Club Ctr | Call | Grid | Distance |
| Mother Lode DX/Contest Club | 2025-01-04 01:47:06 | 250 mile circle | CM98oj | N6ZFO | [no grid] | [no dist] |
| Mother Lode DX/Contest Club | 2023-11-03 19:55:05 | 250 mile circle | CM98oj | N6ZFO | [no grid] | [no dist] |
| Mother Lode DX/Contest Club | 2022-11-05 01:00:52 | 175 mile circle | CM98oj | N6ZFO | CM89oa | 116.2 |
| Mother Lode DX/Contest Club | 2022-11-03 00:12:00 | 175 mile circle | CM98oj | N6ZFO | CM89oa | 116.2 |
| Mother Lode DX/Contest Club | 2021-10-31 00:32:31 | 175 mile circle | CM98oj | N6ZFO | CM89oa | 116.2 |
| Mother Lode DX/Contest Club | 2021-10-31 00:32:30 | 175 mile circle | CM98oj | N6ZFO | CM89oa | 116.2 |
| Mother Lode DX/Contest Club | 2021-10-31 00:30:25 | 175 mile circle | CM98oj | N6ZFO | CM89oa | 116.2 |
| Mother Lode DX/Contest Club | 2020-11-18 04:44:10 | 175 mile circle | CM98oj | N6ZFO | CM89oa | 116.2 |
| Mother Lode DX/Contest Club | 2020-11-04 05:54:57 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2020-11-04 05:51:25 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2019-11-15 06:09:26 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2019-11-02 16:38:51 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2019-06-03 16:51:52 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2019-04-03 15:44:19 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-12-04 17:53:41 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-11-01 20:26:38 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-10-31 20:24:57 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-10-03 23:39:15 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-10-02 17:10:48 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-10-02 16:45:48 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-09-24 01:07:51 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-09-23 14:33:52 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-06-20 15:59:54 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-06-06 16:50:10 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-06-03 20:18:09 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2018-01-29 20:03:19 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-12-08 22:53:09 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-11-18 16:37:05 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-11-16 17:04:19 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-11-03 19:31:10 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-11-03 18:56:26 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-11-02 15:29:19 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2017-02-17 06:02:21 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-12-02 22:03:23 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-11-19 05:10:29 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-11-19 02:31:29 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-11-04 21:28:43 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-11-03 19:41:31 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-10-27 04:22:08 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-10-26 18:09:52 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Mother Lode DX/Contest Club | 2016-10-25 20:58:43 | 175 mile circle | CM98qj | N6ZFO | CM89oa | 124.5 |
| Northern California Contest Club | 2024-11-01 04:57:18 | 250 mile circle | CM89wv | N6ZFO | CM89oa | 70.1 |
| Northern California Contest Club | 2024-05-10 16:32:18 | 250 mile circle | CM89wv | N6ZFO | CM89oa | 70.1 |
| Northern California Contest Club | 2023-12-08 18:06:42 | 250 mile circle | CM89wv | N6ZFO | CM89oa | 70.1 |
| Northern California Contest Club | 2023-12-08 18:04:56 | 250 mile circle | CM89wv | N6ZFO | CM89oa | 70.1 |
| Northern California Contest Club | 2023-11-16 21:22:44 | 250 mile circle | CM89wv | N6ZFO | CM89oa | 70.1 |
| Northern California Contest Club | 2023-11-09 15:29:12 | 250 mile circle | CM89wv | N6ZFO | CM89oa | 70.1 |
| Northern California Contest Club | 2023-11-08 16:01:18 | 250 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2023-11-08 15:59:24 | 250 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2023-08-09 22:19:35 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2023-05-22 02:36:47 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2022-11-23 19:31:45 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2022-11-23 19:28:12 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2021-12-22 17:26:37 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2021-11-03 21:13:12 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2021-08-20 18:13:25 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2021-03-16 21:15:19 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2021-02-18 14:35:21 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-11-24 00:44:01 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-06-17 18:35:42 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-06-17 18:18:45 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-06-17 18:13:03 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-04-11 01:30:13 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-04-11 01:27:54 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2020-03-07 00:08:58 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2019-11-01 20:22:51 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2019-06-08 02:21:21 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2019-06-08 02:15:03 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2019-01-05 00:39:56 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2019-01-02 03:48:36 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2018-11-02 21:32:51 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2018-09-07 15:44:30 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2018-01-06 00:23:07 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2017-12-31 19:10:37 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2017-12-08 15:46:23 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2017-11-04 03:43:56 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2017-11-02 22:22:36 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2017-02-16 23:48:38 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2016-12-09 03:33:57 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2016-12-03 01:31:44 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2016-11-18 22:18:51 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2016-11-04 12:50:36 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2016-11-03 03:12:45 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Northern California Contest Club | 2016-11-03 02:22:14 | 175 mile circle | CM99kb | N6ZFO | CM89oa | 89.5 |
| Potomac Valley Radio Club | 2025-03-28 15:19:18 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-02-27 19:31:07 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-02-27 19:31:03 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-02-14 02:19:51 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-01-31 15:04:16 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-01-16 02:11:28 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-01-15 22:10:28 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-01-03 21:09:10 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-01-03 16:13:35 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Potomac Valley Radio Club | 2025-01-03 16:13:33 | 250 mile circle | FM07wi | N6ZFO | FM17cn | 23.3 |
| Redwood Empire DX Assn | 2021-12-10 23:16:38 | 35 mile circle | CM88qf | N6ZFO | CM89oa | 55.4 |
| Redwood Empire DX Assn | 2020-12-12 00:17:18 | 35 mile circle | CM88qf | N6ZFO | CM89oa | 55.4 |
| Redwood Empire DX Assn | 2020-11-07 07:59:12 | 35 mile circle | CM88on | N6ZFO | CM89oa | 31.7 |
| Redwood Empire DX Assn | 2020-11-07 07:55:26 | 35 mile circle | CM88on | N6ZFO | CM89oa | 31.7 |
| Redwood Empire DX Assn | 2019-11-02 16:16:22 | 35 mile circle | CM88qf | N6ZFO | CM89oa | 55.4 |
| Redwood Empire DX Assn | 2019-11-02 15:41:41 | 35 mile circle | CM88qf | N6ZFO | [no grid] | [no dist] |
| Redwood Empire DX Assn | 2018-02-01 21:34:38 | 35 mile circle | CM88qf | N6ZFO | CM89oa | 55.4 |
| Redwood Empire DX Assn | 2018-02-01 21:33:28 | 175 mile circle | CM88qf | N6ZFO | CM89oa | 55.4 |
| Redwood Empire DX Assn | 2018-02-01 21:31:53 | ARRL Section | San Francisco | N6ZFO | CM89oa | [no dist] |
| Redwood Empire DX Assn | 2018-02-01 20:42:32 | ARRL Section | San Francisco | N6ZFO | [no grid] | [no dist] |
| Redwood Empire DX Assn | 2016-11-08 20:25:28 | 35 mile circle | CM88qf | N6ZFO | CM89oa | 55.4 |
| Redwood Empire DX Assn | 2016-11-08 20:24:03 | ARRL Section | San Francisco | N6ZFO | CM89oa | [no dist] |