can anyone explain this..
over the last few days a number of aircraft that in the past have not transmitted anthing in the callsign/flight id field have started giving info in this field, but it is not always the aircraft/flight callsgin
some examples:
008569 ZS-CAQ FA50 SAAF 2011/07/23 13:10:41
008569 C8TIK ZS-CAQ FA50 SAAF 2011/07/23 06:26:36
008569 D74IK ZS-CAQ FA50 SAAF 2011/07/23 06:26:55
008569 D8LI ZS-CAQ FA50 SAAF 2011/07/23 06:27:26
008569 EA4I ZS-CAQ FA50 SAAF 2011/07/23 06:21:27
008569 EFDI ZS-CAQ FA50 SAAF 2011/07/23 06:11:08
008569 FALI ZS-CAQ FA50 SAAF 2011/07/23 06:20:48
008569 GADI ZS-CAQ FA50 SAAF 2011/07/23 06:20:19
008569 H6LIK ZS-CAQ FA50 SAAF 2011/07/23 06:25:00
008569 JB4I ZS-CAQ FA50 SAAF 2011/07/23 06:16:13
008569 JCDI ZS-CAQ FA50 SAAF 2011/07/23 06:16:32
008569 KB4I ZS-CAQ FA50 SAAF 2011/07/23 06:16:42
008569 ZSCAQ ZS-CAQ FA50 SAAF 2011/07/23 08:49:40
----------------
00A285 60G ZS-NBG CRJ7 South African Exp... 2011/07/23 10:06:58
00A285 B9W ZS-NBG CRJ7 South African Exp... 2011/07/23 09:57:40
00A285 CUDAP ZS-NBG CRJ7 South African Exp... 2011/07/23 11:26:31
00A285 CVT ZS-NBG CRJ7 South African Exp... 2011/07/23 11:26:19
00A285 D8TIP ZS-NBG CRJ7 South African Exp... 2011/07/23 11:29:15
00A285 D94JP ZS-NBG CRJ7 South African Exp... 2011/07/23 11:29:47
00A285 E0TH ZS-NBG CRJ7 South African Exp... 2011/07/23 09:56:00
00A285 E2TJ ZS-NBG CRJ7 South African Exp... 2011/07/23 08:05:51
00A285 E3DI ZS-NBG CRJ7 South African Exp... 2011/07/23 08:04:43
00A285 E6DI ZS-NBG CRJ7 South African Exp... 2011/07/23 08:04:33
00A285 EGG ZS-NBG CRJ7 South African Exp... 2011/07/23 06:11:41
00A285 G24I ZS-NBG CRJ7 South African Exp... 2011/07/23 09:55:28
00A285 I6LJ0 ZS-NBG CRJ7 South African Exp... 2011/07/23 09:55:07
00A285 J6TL ZS-NBG CRJ7 South African Exp... 2011/07/23 09:54:57
00A285 SA1854 ZS-NBG CRJ7 South African Exp... 2011/07/23 11:22:29
--------------------------
008992 E2LF0 ZS-DPP C525 2011/07/23 07:46:52
008992 ZSDPP ZS-DPP C525 2011/07/23 07:49:41
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whilst some of the aircraft now giving the callsign/flight id info is correct what is the mixture of letters and numbers that some of them are giving most of the time it is changing over a few minutes.
