Hi Microlight,
You don't have to set filters to pick up mil aircraft but you will not see them on the screen because, with a few exceptions they do not have full ADS-B. But they should display on the interface.
Her's my list so far today:
ADFE56,null,92-0375,GLF4,US Air Force,02:01:19,12/12/2009
ADFE56,FENDY24,92-0375,GLF4,US Air Force,02:10:03,12/12/2009
AE0160,null,57-1479,K35R,US Air Force,06:08:27,12/12/2009
AE0160,DECEE92,57-1479,K35R,US Air Force,06:08:32,12/12/2009
AE1449,null,05-5139,C17,US Air Force,06:22:11,12/12/2009
AE1449,RCH5139,05-5139,C17,US Air Force,06:22:12,12/12/2009
AE0978,null,01-0076,GLF5,US Air Force,06:40:40,12/12/2009
AE0160,null,57-1479,K35R,US Air Force,06:46:17,12/12/2009
AE0978,SPAR70,01-0076,GLF5,US Air Force,06:48:03,12/12/2009
AE0978,null,01-0076,GLF5,US Air Force,07:06:03,12/12/2009
AE1199,null,03-3116,C17,US Air Force,07:54:46,12/12/2009
AE1199,RCH023,03-3116,C17,US Air Force,07:55:12,12/12/2009
C2B3EB,null,177703,C17,Canadian Air Force,07:55:33,12/12/2009
C2B3EB,CFC4013,177703,C17,Canadian Air Force,07:55:42,12/12/2009
43C171,null,ZZ171,C17,Royal Air Force,08:32:32,12/12/2009
43C171,RRR6638,ZZ171,C17,Royal Air Force,08:33:21,12/12/2009
43C10F,null,ZH889,C130,Royal Air Force,08:38:59,12/12/2009
AE07D0,null,89-1192,C17,US Air Force,08:43:38,12/12/2009
AE07D0,RCH011,89-1192,C17,US Air Force,08:45:15,12/12/2009
AE0577,null,86-0026,C5,US Air Force,09:01:12,12/12/2009
AE0577,RCH694,86-0026,C5,US Air Force,09:03:08,12/12/2009
AE0484,null,62-3509,K35R,US Air Force,09:11:10,12/12/2009
AE0484,RCH2509,62-3509,K35R,US Air Force,09:11:26,12/12/2009
AE057B,null,87-0030,C5B,US Air Force,09:19:25,12/12/2009
43C174,null,ZZ174,C17,Royal Air Force,09:20:58,12/12/2009
43C174,RRR6609,ZZ174,C17,Royal Air Force,09:22:17,12/12/2009
AE0654,null,58-0071,K35R,US Air Force,09:28:48,12/12/2009
AE0654,RCH0071,58-0071,K35R,US Air Force,09:28:52,12/12/2009
AE057B,RCH7030,87-0030,C5B,US Air Force,09:46:41,12/12/2009
AE144A,null,05-5140,C17,US Air Force,10:02:14,12/12/2009
AE144A,RCH136,05-5140,C17,US Air Force,10:02:19,12/12/2009
AE1464,null,06-6166,C17,US Air Force,10:02:33,12/12/2009
AE1464,RCH469,06-6166,C17,US Air Force,10:03:44,12/12/2009
43C1C4,null,ZD953,L101,Royal Air Force,10:19:03,12/12/2009
43C099,null,ZH871,C130,Royal Air Force,10:21:24,12/12/2009
43C1C4,ISF06UT,ZD953,L101,Royal Air Force,10:23:11,12/12/2009
43C3A0,null,ZH102,E3CF,Royal Air Force,10:28:58,12/12/2009
43C3A0,NATO03,ZH102,E3CF,Royal Air Force,10:29:14,12/12/2009
AE144D,null,05-5143,C17,US Air Force,10:31:51,12/12/2009
AE144D,RCH230,05-5143,C17,US Air Force,10:31:51,12/12/2009
AE059C,null,60-0350,K35R,US Air Force,10:32:52,12/12/2009
AE059C,QID10,60-0350,K35R,US Air Force,10:33:24,12/12/2009
AE079F,null,58-0093,K35R,US Air Force,10:46:18,12/12/2009
AE079F,QID89,58-0093,K35R,US Air Force,10:46:57,12/12/2009
AE020A,null,79-1711,KC10,US Air Force,11:23:00,12/12/2009
AE020A,RCH228,79-1711,KC10,US Air Force,11:23:16,12/12/2009
AE07BF,null,63-7979,K35R,US Air Force,11:28:02,12/12/2009
AE07BF,QID83,63-7979,K35R,US Air Force,11:28:35,12/12/2009
AE07E9,null,95-0106,C17,US Air Force,11:52:07,12/12/2009
AE07E9,RCH5106,95-0106,C17,US Air Force,11:52:44,12/12/2009
AE0814,null,00-0178,C17,US Air Force,11:54:19,12/12/2009
AE0814,RCH268,00-0178,C17,US Air Force,11:54:42,12/12/2009
AE07AB,null,60-0331,K35R,US Air Force,12:15:30,12/12/2009
AE07AB,QID84,60-0331,K35R,US Air Force,12:16:10,12/12/2009
AE07F4,null,97-0042,C17,US Air Force,12:34:59,12/12/2009
AE07F4,RCH185,97-0042,C17,US Air Force,12:37:11,12/12/2009
AE079F,null,58-0093,K35R,US Air Force,12:40:00,12/12/2009
AE079F,QID89,58-0093,K35R,US Air Force,12:42:29,12/12/2009
AE0578,null,87-0027,C5,US Air Force,12:59:25,12/12/2009
43C07A,null,ZE705,L101,Royal Air Force,13:01:29,12/12/2009
43C07A,RRR809,ZE705,L101,Royal Air Force,13:01:51,12/12/2009
AE04FE,null,58-0100,K35R,US Air Force,13:06:32,12/12/2009
AE04FE,QID95,58-0100,K35R,US Air Force,13:07:09,12/12/2009
43C171,null,ZZ171,C17,Royal Air Force,13:16:23,12/12/2009
43C171,RRR6638,ZZ171,C17,Royal Air Force,13:17:22,12/12/2009
4009D3,null,G-FRAS,FA20 FRADU,FR Aviation,13:42:08,12/12/2009
AE0528,null,69-0002,C5,US Air Force,13:44:40,12/12/2009
AE0817,null,00-0181,C17,US Air Force,13:50:23,12/12/2009
AE0817,RCH333,00-0181,C17,US Air Force,13:51:05,12/12/2009
4009D3,GFRAS,G-FRAS,FA20 FRADU,FR Aviation,13:58:24,12/12/2009
AE0817,null,00-0181,C17,US Air Force,14:05:06,12/12/2009
AE0528,RCH456,69-0002,C5,US Air Force,14:05:11,12/12/2009
AE145A,null,06-6156,C17,US Air Force,14:56:52,12/12/2009
AE145A,RCH292,06-6156,C17,US Air Force,14:57:51,12/12/2009
43C0A0,null,XR807,VC10,Royal Air Force,15:26:00,12/12/2009
43C0A0,RRR6930,XR807,VC10,Royal Air Force,15:29:49,12/12/2009
4009D4,null,G-FRAT,FA20 FRADU,FR Aviation,17:02:11,12/12/2009
4009D4,GFRAT,G-FRAT,FA20 FRADU,FR Aviation,17:02:49,12/12/2009
43C202,null,ZD703,H25B,Royal Air Force,17:27:31,12/12/2009
43C202,KRF2R,ZD703,H25B,Royal Air Force,17:27:42,12/12/2009
AE024D,null,62-3506,K35R,US Air Force,18:37:04,12/12/2009
AE024D,RCH103,62-3506,K35R,US Air Force,18:37:53,12/12/2009
May I ask what type of antenna you have and where is it mounted?
Tom