| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | ericcarlson | 2020-04-25 14:29:06 |
| Added Frequency 123.775 (Tower - Emergency) | ericcarlson | 2020-01-03 20:31:10 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2019-01-17 11:21:17 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2018-12-10 09:12:13 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2018-12-08 13:56:57 |
| Added Frequency 460.8 (All Nippon) | dtscho | 2018-12-08 13:56:25 |
| Added Frequency 460.7875 (AIRINC) | dtscho | 2018-12-08 13:55:51 |
| Added Frequency 460.7625 (Southwest) | dtscho | 2018-12-08 13:54:27 |
| Added Frequency 452.05 (Emirates) | dtscho | 2018-12-08 13:52:45 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2018-12-08 13:52:08 |
| Added Frequency 452.225 (Alaska) | dtscho | 2018-12-08 13:51:53 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2018-12-08 13:51:13 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2018-11-27 06:41:47 |
| Added Frequency 122.95 (UNICOM) | dtscho | 2017-06-03 14:51:14 |
| Added Frequency 130.6 (United - Operations) | dtscho | 2017-03-01 11:02:44 |
| Frequencies Updated (Updated: 2, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-10-24 19:00:37 |
| Frequencies Updated (Updated: 10, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-08-16 16:33:17 |
| Frequencies Updated (Updated: 4, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-08-16 16:30:29 |
| Added Frequency 464.8 (Commutair) | dtscho | 2016-07-11 09:58:24 |
| Frequencies Updated (Updated: 0, Deleted 1) for Washington Dulles International Airport (IAD) | dtscho | 2016-06-24 10:38:44 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-05-28 13:55:57 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-05-28 13:55:14 |
| Frequencies Updated (Updated: 2, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-05-28 13:54:25 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-05-28 13:53:57 |
| Frequencies Updated (Updated: 0, Deleted 1) for Washington Dulles International Airport (IAD) | dtscho | 2016-05-28 13:53:36 |
| Changed Subcategory Details For: Airline Ground Operations | dtscho | 2016-05-25 13:13:45 |
| Frequencies Updated (Updated: 2, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2016-03-16 15:40:23 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-10-18 08:27:10 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-10-18 08:26:21 |
| Sort order changed to from 0 for subcat: Other Services | dtscho | 2015-05-27 09:40:10 |
| Frequencies Updated (Updated: 0, Deleted 1) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:40:10 |
| Frequencies Updated (Updated: 8, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:39:39 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2015-05-27 09:39:39 |
| Changed Subcategory Details For: Airline Ground Operations | dtscho | 2015-05-27 09:37:38 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2015-05-27 09:36:05 |
| Frequencies Updated (Updated: 2, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:36:05 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2015-05-27 09:34:33 |
| Frequencies Updated (Updated: 0, Deleted 5) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:34:33 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2015-05-27 09:33:32 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:33:32 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2015-05-27 09:33:03 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:33:03 |
| Frequencies Updated (Updated: 0, Deleted 2) for Washington Dulles International Airport (IAD) | dtscho | 2015-05-27 09:32:42 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2015-05-27 09:32:41 |
| Sort order changed to from 3 for subcat: Potomac Consolidated Terminal Radar Approach Control (TRACON) - Shenandoah Area | dtscho | 2015-02-01 08:57:30 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-02-01 08:57:30 |
| Added Frequency 257.875 (LURARY) | dtscho | 2015-02-01 08:57:22 |
| Sort order changed to from 3 for subcat: Potomac Consolidated Terminal Radar Approach Control (TRACON) - Shenandoah Area | dtscho | 2015-01-29 10:36:40 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-01-29 10:36:40 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2015-01-28 15:11:07 |
| Sort order changed to from 3 for subcat: Potomac Consolidated Terminal Radar Approach Control (TRACON) - Shenandoah Area | dtscho | 2015-01-28 15:11:06 |
| Added Frequency 463.325 (Hertz (Slot 1, Group 1)) | dtscho | 2015-01-09 17:49:04 |
| Added Frequency 452.275 (Swissport (Slot 1, Group 1)) | dtscho | 2015-01-09 09:50:01 |
| Sort order changed to from 3 for subcat: Aviation - Airlines | dtscho | 2013-09-12 12:47:56 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-09-12 12:47:56 |
| Frequencies Updated (Updated: 0, Deleted 1) for Washington Dulles International Airport (IAD) | dtscho | 2013-05-22 16:08:02 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2013-05-22 16:08:01 |
| Sort order changed to from 0 for subcat: Other Services | dtscho | 2013-03-19 10:36:52 |
| Frequencies Updated (Updated: 7, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-19 10:36:52 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2013-03-19 10:35:25 |
| Frequencies Updated (Updated: 4, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-19 10:35:25 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2013-03-19 10:34:14 |
| Frequencies Updated (Updated: 5, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-19 10:34:14 |
| Changed Subcategory Details For: Airline Ground Operations | dtscho | 2013-03-17 12:39:59 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2013-03-17 12:36:18 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-17 12:36:18 |
| Sort order changed to from 0 for subcat: Federal | dtscho | 2013-03-17 12:33:49 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-17 12:33:49 |
| Sort order changed to from 0 for subcat: Federal | dtscho | 2013-03-17 12:33:30 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-17 12:33:30 |
| Sort order changed to from 0 for subcat: Federal | dtscho | 2013-03-17 12:33:08 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2013-03-17 12:33:08 |
| Sort order changed to from 3 for subcat: Airline Ground Operations | dtscho | 2012-12-14 18:51:37 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2012-12-14 18:51:37 |
| Added Frequency 130.7 (Virgin America) | LAflyer | 2012-07-21 15:04:16 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2012-05-09 08:49:48 |
| Frequencies Updated (Updated: 4, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2012-05-09 08:49:48 |
| Added Frequency 451.975 (Vanguard) | dtscho | 2012-05-09 08:49:27 |
| Added Frequency 463.375 (Avis) | dtscho | 2012-05-09 08:47:30 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2012-05-09 08:46:35 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2012-05-09 08:46:35 |
| Sort order changed to from 0 for subcat: Rental Car Services | dtscho | 2012-05-09 08:45:57 |
| Frequencies Updated (Updated: 1, Deleted 0) for Washington Dulles International Airport (IAD) | dtscho | 2012-05-09 08:45:57 |
| Added Frequency 462.45 (Hertz) | dtscho | 2012-05-09 08:45:46 |
| Added Frequency 136.6 (JetBlue) | LAflyer | 2012-02-08 13:10:47 |
| Added Frequency 131.850 (Delta Airlines ) | LAflyer | 2012-02-08 13:09:55 |
| Added Frequency 131.325 (Southwest Airlines) | LAflyer | 2012-02-08 13:09:01 |
| Added Frequency 131.575 (Lufthansa) | LAflyer | 2012-02-08 13:07:58 |
| Added Frequency 129.525 (Piedmont Aviation) | LAflyer | 2012-02-08 13:07:01 |
| Frequencies Updated (Updated: 2, Deleted 0) for Washington Dulles International Airport (IAD) | Gilligan | 2012-01-27 18:58:47 |
| Sort order changed to from 0 for subcat: Federal | Gilligan | 2012-01-27 18:58:47 |
| Added Frequency 169.1625 (Transportation Security Administration) | Gilligan | 2012-01-27 18:58:38 |
| Sort order changed to from 0 for subcat: Metropolitan Washington Airports Authority | Gilligan | 2012-01-27 10:00:27 |
| Frequencies Updated (Updated: 3, Deleted 0) for Washington Dulles International Airport (IAD) | Gilligan | 2012-01-27 10:00:27 |
| Sort order changed to from 3 for subcat: Air Traffic Control | Gilligan | 2012-01-27 10:00:00 |
| Frequencies Updated (Updated: 12, Deleted 0) for Washington Dulles International Airport (IAD) | Gilligan | 2012-01-27 10:00:00 |
| Frequencies Updated (Updated: 16, Deleted 0) for Washington Dulles International Airport (IAD) | Gilligan | 2012-01-27 09:58:24 |
| Sort order changed to from 3 for subcat: Potomac Consolidated Terminal Radar Approach Control (TRACON) - Shenandoah Area | Gilligan | 2012-01-27 09:58:23 |
| Sort order changed to from 3 for subcat: Aviation - Fixed Base Operators | Gilligan | 2012-01-27 09:57:27 |
| Frequencies Updated (Updated: 3, Deleted 0) for Washington Dulles International Airport (IAD) | Gilligan | 2012-01-27 09:57:27 |
