| Date | Change Type | Time Delta (hours) | Reason |
| Jan 30, 2018 | OBSERVER_REQUESTED | -87.1 | as per January 29, 2018 email from Pierre Ferruit |
| Feb 08, 2018 | ADMINISTRATION | +94.5 | to correct previous allocation error |
| Jun 11, 2020 | OVERHEAD_CHANGE | +0.1 | APT 2020.3 |
| Jun 30, 2020 | ADMINISTRATION | -2.8 | AROMAN e-mail April 29th 2020 |
| Dec 19, 2020 | OVERHEAD_CHANGE | +3.1 | APT 2020.5 |
| Jul 09, 2021 | OVERHEAD_CHANGE | +0.1 | PRD update to PRD-039. |
| Feb 12, 2022 | OVERHEAD_CHANGE | +0.1 | APT 2022.1 |
| Jun 07, 2022 | OVERHEAD_CHANGE | +0.2 | APT 2022.3.1 |
| Jun 23, 2022 | OVERHEAD_CHANGE | +0.1 | PRDOPSSOC-053 |
| Jul 06, 2022 | OVERHEAD_CHANGE | +0.1 | PRDOPSSOC-055 |
| Aug 20, 2022 | OVERHEAD_CHANGE | +0.5 | APT 2022.5.1 |
| Sep 15, 2022 | OVERHEAD_CHANGE | -3.5 | APT 2022.5.3 |
| Nov 18, 2022 | OVERHEAD_CHANGE | +1.8 | APT 2022.7.1 |
| May 19, 2023 | OVERHEAD_CHANGE | -0.1 | APT 2023.3.1 |
| Jul 14, 2023 | OVERHEAD_CHANGE | +0.1 | PRDOPSSOC-062 |
| Aug 27, 2023 | OVERHEAD_CHANGE | -0.7 | APT 2023.5.1 |
| Dec 03, 2023 | OVERHEAD_CHANGE | +0.7 | APT 2023.7.1 |
