Foxtrotcharlie - A journey to ADS-B tracking with Raspberry Pi

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 16:58:122025-12-16 21:44:43
3962BC
2020-02-21 14:04:412025-12-16 16:01:21
4D405B
2024-07-11 13:24:102025-12-16 13:56:263AMXL
3B7617
2022-07-11 12:14:482025-12-16 13:52:20
33FC70
2025-11-28 08:56:012025-12-16 10:04:48
392BDC
2023-10-01 09:47:012025-12-15 15:45:45
A070EE
2025-12-15 12:50:342025-12-15 14:10:12
39E50D
2025-06-13 09:51:152025-12-15 14:06:13FGBQI
E22E53
2025-12-15 12:34:112025-12-15 13:10:01
1D675B
2025-12-14 09:26:222025-12-15 12:26:34
0DED38
2025-12-15 11:58:082025-12-15 12:05:21
39875D
2025-07-12 08:54:282025-12-15 10:28:36FJLWE
0D6650
2025-12-15 09:12:272025-12-15 09:19:36
3EAA00
2025-12-15 08:15:292025-12-15 08:20:14
3B7B84
2025-12-12 13:19:202025-12-14 19:03:50
00CE89
2025-12-14 17:17:252025-12-14 17:24:38
C79C81Unallocated2025-12-14 17:15:502025-12-14 17:20:41
39BA23
2025-06-18 13:24:582025-12-14 15:38:13FHORD
385BFC
2022-11-11 15:17:282025-12-14 15:02:30
3849DD
2025-12-14 14:53:252025-12-14 14:53:25
B13AA0(reserved-for-future-use)2025-12-14 14:31:012025-12-14 14:44:36
38563D
2024-09-29 07:42:482025-12-14 13:24:38FJEPM
C78093Unallocated2025-12-14 09:36:042025-12-14 09:42:27
F5AF4A(reserved-for-future-use)2025-12-14 05:59:172025-12-14 06:04:41
155A68
2025-12-13 15:34:242025-12-13 15:39:09