| Added Frequency 126.625 (Automated Weather Observing Station) | timkilbride | 2015-07-13 07:51:01 |
| Sort order changed to from 0 for subcat: Spencer Airport | timkilbride | 2015-07-13 07:50:42 |
| Added Frequency 123.0 (Unicom) | timkilbride | 2015-07-13 07:50:29 |
| Added Subcategory: Spencer Airport | timkilbride | 2015-07-13 07:49:58 |
| Added category (Airports 50) | timkilbride | 2015-07-13 07:49:17 |
| Category (Northwest Iowa Regional Airport) deleted | timkilbride | 2015-07-13 07:48:53 |
| Category (Spencer Airport) deleted | timkilbride | 2015-07-13 07:48:48 |
| Added category (Spencer Airport 50) | timkilbride | 2015-07-13 07:48:30 |
| Added category (Northwest Iowa Regional Airport 50) | timkilbride | 2015-07-13 07:48:13 |
