| Date | Change Type | Time Delta (hours) | Reason |
| Mar 31, 2020 | OBSERVER_REQUESTED | -5.4 | GTO observer adjusting allocation times between programs. |
| Mar 31, 2020 | OBSERVER_REQUESTED | -0.4 | GTO observer adjusting time allocations between programs. |
| Mar 31, 2020 | OBSERVER_REQUESTED | +0.4 | Reduced hours from wrong program |
| Dec 19, 2020 | OVERHEAD_CHANGE | +3.5 | APT 2020.5 |
| Jul 01, 2021 | OVERHEAD_CHANGE | +0.1 | APT 2021.2 |
| Sep 25, 2021 | OVERHEAD_CHANGE | +0.1 | PRDOPSSOC-040 |
| Feb 12, 2022 | OVERHEAD_CHANGE | -3.0 | APT 2022.1 |
| Aug 04, 2022 | OVERHEAD_CHANGE | +0.1 | APT 2022.3.3 |
| Sep 15, 2022 | OVERHEAD_CHANGE | -0.1 | APT 2022.5.3 |
| Oct 04, 2022 | OVERHEAD_CHANGE | +0.5 | PI decided to remove MRS observations from linkset due to the instrument being offline. The increase in overheads caused this program to be over allocation. Allocation time adjusted to fit new charged time. |
| Nov 18, 2022 | OVERHEAD_CHANGE | +0.2 | APT 2022.7.1 |
