User contributions
- 08:56, 26 June 2018 diff hist -1,457 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 09:36, 24 May 2018 diff hist +35 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 12:09, 2 May 2018 diff hist +46 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 09:07, 18 April 2018 diff hist +470 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 23:42, 7 March 2018 diff hist -1 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 23:40, 7 March 2018 diff hist +35 Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 00:21, 21 February 2018 diff hist +49 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 11:51, 18 February 2018 diff hist 0 Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 11:50, 18 February 2018 diff hist +327 Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 23:46, 13 February 2018 diff hist +128 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 16:15, 3 February 2018 diff hist +10 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 11:00, 3 February 2018 diff hist +33 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 23:47, 2 February 2018 diff hist +22 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 23:44, 2 February 2018 diff hist +427 Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 23:35, 2 February 2018 diff hist +779 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 21:59, 20 December 2017 diff hist +25 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 14:40, 18 December 2017 diff hist +107 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 00:04, 13 December 2017 diff hist +126 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 00:08, 10 December 2017 diff hist +120 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 00:34, 9 December 2017 diff hist -1 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 00:32, 9 December 2017 diff hist +767 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs
- 00:15, 9 December 2017 diff hist +14 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 23:51, 7 December 2017 diff hist -61 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 14:20, 6 December 2017 diff hist +952 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 18:02, 17 November 2017 diff hist 0 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 00:10, 17 November 2017 diff hist +28 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 23:56, 15 November 2017 diff hist +66 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):
- 10:31, 11 November 2017 diff hist -25 m Chicago Midway Airport - Department of Aviation - 800 MHz P25 Phase II RID/UIDs →Radio IDs (RIDs):