| Added Frequency 460.65 (Delta Airport Operations) | ME343 | 2021-02-05 19:40:26 |
| Added Frequency 153.4625 (Airport Operations) | ME343 | 2021-02-05 19:36:33 |
| Frequencies Updated (Updated: 0, Deleted 1) for Portland International Airport (KPWM) | ME343 | 2019-11-21 17:56:24 |
| Frequencies Updated (Updated: 1, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2019-01-29 07:50:03 |
| Added Frequency 460.7875 (United Airlines Opertaions) | ME343 | 2019-01-29 07:49:46 |
| Frequencies Updated (Updated: 1, Deleted 0) for Portland International Airport (KPWM) | KD4YGG | 2018-07-11 07:39:08 |
| Added Frequency 463.8375 (JetBlue Operations) | ME343 | 2018-01-18 09:42:35 |
| Tagged 1 Frequencies with (Public Works) | ME343 | 2017-02-11 09:58:22 |
| Frequencies Updated (Updated: 1, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2017-02-11 09:58:15 |
| Frequencies Updated (Updated: 1, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2017-02-01 07:12:53 |
| Added Frequency 172.150 (TSA) | ME343 | 2017-02-01 07:12:37 |
| Frequencies Updated (Updated: 1, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2017-02-01 07:11:59 |
| Frequencies Updated (Updated: 0, Deleted 1) for Portland International Airport (KPWM) | ME343 | 2017-02-01 07:11:26 |
| Frequencies Updated (Updated: 2, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2017-02-01 07:11:03 |
| Frequencies Updated (Updated: 2, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2016-07-26 11:04:56 |
| Added Frequency 460.8625 (Southwest Airlines Flight Operations) | ME343 | 2016-07-22 15:51:05 |
| Added Frequency 460.700 (American Airlines Flight Ops) | ME343 | 2016-07-22 06:14:39 |
| Sort order changed to from 0 for subcat: Portland International Airport (KPWM) | ME343 | 2012-09-25 09:38:04 |
| Frequencies Updated (Updated: 3, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2012-09-25 09:38:04 |
| Added Frequency 158.880 (Car Rentals) | ME343 | 2012-09-25 09:37:16 |
| Added Frequency 463.8375 (Jetport Staff) | ME343 | 2012-09-25 09:36:54 |
| Added Frequency 460.650 (Jetport Staff) | ME343 | 2012-09-25 09:36:30 |
| Added Frequency 452.1000 (Gate Agents) | ME343 | 2012-09-25 09:35:58 |
| Added Frequency 460.750 (Ramp Agents) | ME343 | 2012-09-25 09:35:15 |
| Tagged 1 Frequencies with (Business) | ME343 | 2012-09-24 12:42:28 |
| Sort order changed to from 0 for subcat: Portland International Airport (KPWM) | ME343 | 2012-09-24 12:42:27 |
| Added Frequency 460.8625 (Ramp ) | ME343 | 2012-09-18 20:58:51 |
| Frequencies Updated (Updated: 2, Deleted 0) for Portland International Airport (KPWM) | ME343 | 2011-07-01 07:37:46 |
| Added Frequency 169.300 (TSA) | ME343 | 2011-07-01 07:37:19 |
| Added Frequency 172.900 (TSA) | ME343 | 2011-07-01 07:36:42 |
| Added Frequency 119.050 (ATIS) | ME343 | 2011-07-01 07:36:12 |
| Added Frequency 128.350 (Approach & Departure) | ME343 | 2011-07-01 07:35:51 |
| Added Frequency 119.750 (Approach & Departure) | ME343 | 2011-07-01 07:35:29 |
| Added Frequency 120.900 (Tower) | ME343 | 2011-07-01 07:34:35 |
| Added Frequency 121.900 (Ground and Clearance Delivery ) | ME343 | 2011-07-01 07:34:03 |
| Sub-category (New SubCategory - CHANGE THIS NAME Sort 99) changed to (Portland International Airport (KPWM) Sort: 99) | ME343 | 2011-07-01 07:30:56 |
| Category (Portland International Airport (KPWM)) added | ME343 | 2011-07-01 07:29:50 |
