| Added Frequency 123.5 (West Houston Practice Area) | ericcarlson | 2020-09-03 17:11:16 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2017-05-01 20:36:23 |
| Added Frequency 121.15 (Clearance Delivery) | ericcarlson | 2015-03-16 19:01:36 |
| Tagged 1 Frequencies with (Security) | ericcarlson | 2014-04-23 08:36:13 |
| Sort order changed to from 3 for subcat: Airport Operations | ericcarlson | 2014-04-23 08:36:13 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2014-04-23 08:36:05 |
| Sort order changed to from 3 for subcat: Airport Operations | ericcarlson | 2014-04-23 08:36:03 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2013-08-15 14:01:55 |
| Sort order changed to from 3 for subcat: Airport Operations | ericcarlson | 2013-08-15 14:01:54 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2013-05-24 10:22:28 |
| Sort order changed to from 3 for subcat: Airport Operations | ericcarlson | 2013-05-24 10:22:28 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2013-05-24 09:12:45 |
| Sort order changed to from 3 for subcat: Airport Operations | ericcarlson | 2013-05-24 09:12:45 |
| Sort order changed to from 3 for subcat: Air Traffic Control | ericcarlson | 2013-05-20 19:32:55 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2013-05-20 19:32:55 |
| Added Frequency 129.875 (West Houston Airport FBO) | ericcarlson | 2013-05-20 19:32:37 |
| Added Subcategory: Aviation - Fixed Base Operators | ericcarlson | 2013-05-20 19:32:12 |
| Frequencies Updated (Updated: 1, Deleted 0) for West Houston Airport (IWS) | ericcarlson | 2012-11-01 22:23:42 |
| Sort order changed to from 3 for subcat: Airport Operations | ericcarlson | 2012-11-01 22:23:42 |
| Added Frequency 465.800 (Operations) | ericcarlson | 2012-11-01 22:23:17 |
| Changed Subcategory Details For: Airport Operations | ericcarlson | 2012-11-01 22:22:42 |
| Added Subcategory: Airport Operations | ericcarlson | 2012-11-01 22:22:31 |
| Frequencies Updated (Updated: 1, Deleted 0) for Air Traffic Control | loumaag | 2010-10-23 10:02:54 |
| Frequencies Updated (Updated: 1, Deleted 0) for Air Traffic Control | ericcarlson | 2007-12-30 12:30:55 |
| Tagged 1 Frequencies with (Aircraft) | ericcarlson | 2007-12-30 12:30:31 |
| Sub-category Air Traffic Control changed | ericcarlson | 2005-06-28 15:52:12 |
| Frequencies updated | ericcarlson | 2004-07-31 16:47:37 |
| Added Frequency 123.05 | ericcarlson | 2004-07-31 16:46:56 |
| Sub-category Aviation - Air Traffic Control changed | ericcarlson | 2004-07-31 16:46:41 |
| Category West Houston Airport (IWS) added | ericcarlson | 2004-07-31 16:46:35 |
