Unknown hex codes
The table below shows the latest 25 unknown hex codes picked up from my location in Briancon and other sites.
| ModeS Code | Country | First Seen (UTC) | Last Seen (UTC) | CallSign |
|---|---|---|---|---|
| E134E5 |  | 2026-03-19 18:59:21 | 2026-03-19 19:05:41 | |
| 40D4AC |  | 2026-03-19 17:03:48 | 2026-03-19 17:52:05 | |
| 9AAC6B | (reserved-for-NAM/PAC) | 2026-03-18 11:38:04 | 2026-03-19 17:33:08 | |
| 398A5D |  | 2025-10-15 15:19:22 | 2026-03-19 16:44:45 | FJLZG |
| 393CBC | | 2022-05-14 15:14:15 | 2026-03-19 15:53:07 | |
| 38151C | | 2021-10-24 13:53:44 | 2026-03-19 15:48:15 | FJSOB |
| 3B7561 | | 2020-02-28 09:28:42 | 2026-03-19 15:36:21 | FUGFZ |
| 3884DC | | 2025-10-18 07:58:35 | 2026-03-19 14:34:11 | |
| 38841D | | 2020-02-18 11:05:51 | 2026-03-19 14:18:17 | |
| 49C487 |  | 2026-03-19 12:21:17 | 2026-03-19 12:53:11 | OKEUR33 |
| 3962BC | | 2020-02-21 14:04:41 | 2026-03-19 10:24:29 | FJCBI |
| 391A3C | | 2024-07-15 09:52:11 | 2026-03-19 10:21:19 | FJLJM |
| 1895F1 |  | 2026-03-19 09:55:47 | 2026-03-19 10:01:27 | |
| 3882DC | | 2025-07-25 09:04:03 | 2026-03-19 09:42:15 | FJLMK |
| 3984BD | | 2026-03-19 09:10:19 | 2026-03-19 09:36:35 | FJLTD |
| 38611B | | 2025-08-01 10:39:08 | 2026-03-19 09:31:48 | |
| 39D482 | | 2026-03-19 08:28:11 | 2026-03-19 09:10:21 | FHVEC |
| 96C556 | (reserved-for-NAM/PAC) | 2026-03-16 16:21:35 | 2026-03-18 17:59:28 | |
| 92FE18 | (reserved-for-NAM/PAC) | 2026-03-18 08:03:44 | 2026-03-18 15:03:41 | |
| 398A1D | | 2025-08-07 17:02:23 | 2026-03-18 13:46:42 | |
| 3850BC | | 2022-03-05 13:48:55 | 2026-03-18 10:49:34 | |
| 38BB1D | | 2025-06-07 16:35:01 | 2026-03-18 10:46:19 | FJEBT |
| 3E99BC |  | 2026-03-18 10:03:10 | 2026-03-18 10:11:15 | |
| DB9405 | (reserved-for-future-use) | 2026-03-18 09:51:18 | 2026-03-18 09:58:26 | |
| D81849 | (reserved-for-future-use) | 2026-03-17 12:11:10 | 2026-03-17 12:15:58 |