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 |
|---|---|---|---|---|
| 38B5BB |  | 2025-01-21 16:58:12 | 2025-12-16 21:44:43 | |
| 3962BC | | 2020-02-21 14:04:41 | 2025-12-16 16:01:21 | |
| 4D405B |  | 2024-07-11 13:24:10 | 2025-12-16 13:56:26 | 3AMXL |
| 3B7617 | | 2022-07-11 12:14:48 | 2025-12-16 13:52:20 | |
| 33FC70 |  | 2025-11-28 08:56:01 | 2025-12-16 10:04:48 | |
| 392BDC | | 2023-10-01 09:47:01 | 2025-12-15 15:45:45 | |
| A070EE |  | 2025-12-15 12:50:34 | 2025-12-15 14:10:12 | |
| 39E50D | | 2025-06-13 09:51:15 | 2025-12-15 14:06:13 | FGBQI |
| E22E53 |  | 2025-12-15 12:34:11 | 2025-12-15 13:10:01 | |
| 1D675B |  | 2025-12-14 09:26:22 | 2025-12-15 12:26:34 | |
| 0DED38 |  | 2025-12-15 11:58:08 | 2025-12-15 12:05:21 | |
| 39875D | | 2025-07-12 08:54:28 | 2025-12-15 10:28:36 | FJLWE |
| 0D6650 |  | 2025-12-15 09:12:27 | 2025-12-15 09:19:36 | |
| 3EAA00 |  | 2025-12-15 08:15:29 | 2025-12-15 08:20:14 | |
| 3B7B84 | | 2025-12-12 13:19:20 | 2025-12-14 19:03:50 | |
| 00CE89 |  | 2025-12-14 17:17:25 | 2025-12-14 17:24:38 | |
| C79C81 | Unallocated | 2025-12-14 17:15:50 | 2025-12-14 17:20:41 | |
| 39BA23 | | 2025-06-18 13:24:58 | 2025-12-14 15:38:13 | FHORD |
| 385BFC | | 2022-11-11 15:17:28 | 2025-12-14 15:02:30 | |
| 3849DD | | 2025-12-14 14:53:25 | 2025-12-14 14:53:25 | |
| B13AA0 | (reserved-for-future-use) | 2025-12-14 14:31:01 | 2025-12-14 14:44:36 | |
| 38563D | | 2024-09-29 07:42:48 | 2025-12-14 13:24:38 | FJEPM |
| C78093 | Unallocated | 2025-12-14 09:36:04 | 2025-12-14 09:42:27 | |
| F5AF4A | (reserved-for-future-use) | 2025-12-14 05:59:17 | 2025-12-14 06:04:41 | |
| 155A68 | | 2025-12-13 15:34:24 | 2025-12-13 15:39:09 |