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 | 2026-02-02 19:03:20 | |
| 392EDC | | 2024-09-03 14:56:33 | 2026-02-02 16:17:40 | |
| 698EBB | (reserved-for-ASIA) | 2026-02-02 14:59:42 | 2026-02-02 15:05:08 | |
| E379BA |  | 2026-02-02 14:40:52 | 2026-02-02 14:53:48 | |
| F0CDB1 | (reserved-for-future-use) | 2026-02-02 13:22:39 | 2026-02-02 13:31:21 | |
| C5E438 | Unallocated | 2026-02-02 11:46:46 | 2026-02-02 13:26:31 | |
| D0BB1A | (reserved-for-future-use) | 2026-02-02 07:21:54 | 2026-02-02 07:28:14 | |
| 380E1C | | 2025-04-15 12:13:14 | 2026-02-01 16:06:43 | |
| 8C6F9F | Unallocated | 2026-02-01 10:37:55 | 2026-02-01 10:45:29 | |
| 3850BC | | 2022-03-05 13:48:55 | 2026-02-01 09:07:30 | |
| 217977 | (reserved-for-AFI) | 2026-02-01 07:58:03 | 2026-02-01 08:03:25 | |
| 3B9B41 | | 2026-01-31 19:54:42 | 2026-01-31 20:22:01 | |
| 4D405B |  | 2024-07-11 13:24:10 | 2026-01-31 16:05:37 | 3AMXL |
| 39385C | | 2024-10-19 14:56:29 | 2026-01-31 15:29:03 | |
| 82F55A |  | 2026-01-31 12:24:30 | 2026-01-31 12:31:38 | |
| 3B9B29 | | 2023-12-27 15:47:56 | 2026-01-31 11:09:14 | |
| 206CA2 | (reserved-for-AFI) | 2026-01-31 09:05:00 | 2026-01-31 09:11:17 | |
| 90503B | (reserved-for-NAM/PAC) | 2026-01-30 19:03:35 | 2026-01-30 19:08:02 | |
| BD774B | (reserved-for-future-use) | 2026-01-27 13:45:29 | 2026-01-30 16:02:16 | |
| 498425 |  | 2026-01-30 15:39:21 | 2026-01-30 15:43:19 | |
| 424CBB |  | 2026-01-29 10:40:04 | 2026-01-30 15:22:13 | PROVA16 |
| E061A1 | | 2026-01-25 08:58:39 | 2026-01-30 14:59:25 | |
| 40181C | | 2026-01-26 10:43:56 | 2026-01-29 18:20:34 | |
| 49113B |  | 2026-01-29 16:22:33 | 2026-01-29 16:26:53 | |
| C058D9 |  | 2026-01-29 13:10:53 | 2026-01-29 13:16:25 |