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
91FF07(reserved-for-NAM/PAC)2025-02-09 14:33:342025-02-09 14:36:52
38B5BB
2025-01-21 16:58:122025-02-09 14:36:52
3845FC
2021-10-28 10:19:572025-02-09 13:05:32
48C23A
2025-02-09 11:04:522025-02-09 11:10:20
3B13FF
2024-04-15 16:44:302025-02-09 11:05:25MOUET1
26F8DB(reserved-for-AFI)2025-02-09 10:54:382025-02-09 10:59:31
4D404D
2022-02-10 09:35:102025-02-09 10:30:31
5091BD
2025-02-09 09:48:272025-02-09 09:56:30
38F0DB
2024-05-10 11:43:102025-02-09 09:19:45
A083BB
2025-02-09 08:42:572025-02-09 08:52:16
52213E(reserved-for-EUR/NAT)2025-02-09 08:19:452025-02-09 08:26:15
20AAF3(reserved-for-AFI)2025-02-09 07:21:542025-02-09 07:29:25
467EA8
2025-02-08 19:09:212025-02-08 19:18:27
448B39
2025-02-07 15:35:352025-02-08 17:17:30
FFCA22(reserved-for-future-use)2025-02-08 16:38:402025-02-08 16:45:01
86A734
2025-02-08 16:23:462025-02-08 16:37:37
796E17
2025-02-08 13:42:282025-02-08 15:53:34
80C0DD
2025-02-06 17:05:312025-02-08 14:12:47
4B413F
2024-12-15 10:46:272025-02-08 14:11:16
5C09EF(reserved-for-EUR/NAT)2025-02-06 11:48:402025-02-08 14:03:12
55BF5C(reserved-for-EUR/NAT)2025-02-08 12:52:282025-02-08 13:03:40
39423C
2025-02-08 12:56:222025-02-08 13:01:56
C66291Unallocated2025-02-08 11:02:482025-02-08 11:10:50
4D405B
2024-07-11 13:24:102025-02-08 10:27:043AMXL
39BCC3
2025-02-08 08:37:002025-02-08 09:01:40FHPGD