| Date | Operational? | Description/reason | Last updated by |
|---|---|---|---|
| June 18, 2025, 5:52 p.m. | Yes | The system is back up and running on the InGaAs detector only. | dwunch |
| May 27, 2025, 12:11 a.m. | No | Fire has at least knocked out power, if not burned down the whole lab. | dwunch |
| May 25, 2025, 2:14 a.m. | Yes | Wildfires are burning very close to ETL (16 km away). Power lines have burned down, so we are watching carefully. | dwunch |
| May 24, 2025, 11:15 p.m. | No | Fires in the area have burned down power poles, so there is no power to the area and no estimated time for power to return. | dwunch |
| July 16, 2024, 1:26 a.m. | Yes | dwunch | |
| May 26, 2024, 2:02 p.m. | Yes | dwunch | |
| May 16, 2024, 9:01 p.m. | No | Blockage in light beam. | dwunch |
| May 3, 2024, 10:53 p.m. | Yes | Laser is limping along... | dwunch |
| April 25, 2024, 10:44 p.m. | No | Laser failure | dwunch |
| March 6, 2023, 5:42 p.m. | Yes | dwunch | |
| March 6, 2023, 2:14 a.m. | No | 125HR is currently unreachable. | dwunch |
| Feb. 22, 2023, 11:42 p.m. | Yes | Laser replaced and IFS realigned. Hoping everything is working well again! | dwunch |
| Aug. 13, 2022, 12:44 p.m. | No | Looks like the laser just died - two EM27/SUNs will be at ETL from Aug 15-22. | dwunch |
| Aug. 4, 2022, 1:52 p.m. | Yes | Two EM27s will be visiting ETL August 15-22. | dwunch |
| March 17, 2022, 1:49 a.m. | Yes | dwunch | |
| Jan. 20, 2022, 1:45 a.m. | Yes | dwunch | |
| July 29, 2021, 12:06 p.m. | Yes | dwunch | |
| July 24, 2021, 1:09 a.m. | No | Suntracker enclosure unreachable | dwunch |
| July 10, 2021, 5:21 p.m. | Yes | dwunch | |
| July 10, 2021, 12:18 p.m. | No | Suntracker enclosure unreachable | dwunch |
| June 18, 2021, 2:18 p.m. | Yes | dwunch | |
| June 16, 2021, 5:41 p.m. | No | Tracker unreachable | dwunch |
| May 28, 2021, 1:16 a.m. | Yes | dwunch | |
| Dec. 30, 2020, 2:44 a.m. | Yes | Norhof isn't working quite right\, but the system is collecting data. | dwunch |
| Dec. 17, 2020, 8:48 p.m. | Yes | dwunch | |
| Dec. 17, 2020, 1:02 p.m. | No | Herc is inaccessible. | dwunch |
| Dec. 16, 2020, 8:36 p.m. | Yes | dwunch | |
| Oct. 20, 2020, 8:15 p.m. | Yes | dwunch | |
| July 9, 2020, midnight | Yes | dwunch | |
| June 1, 2020, midnight | Yes | Recovered from power failure. | dwunch |
| May 31, 2020, midnight | No | Power failure at ETL; need to restart the scanner. | dwunch |
| Feb. 18, 2020, midnight | Yes | dwunch | |
| May 16, 2019, midnight | Yes | Sunlight blockage resolved. | dwunch |
| May 13, 2019, midnight | No | Sunlight not properly entering IFS. | dwunch |
| April 15, 2019, midnight | Yes | dwunch | |
| April 14, 2019, midnight | No | The enclosure is not registering closed (even though it is), so the system is in failure mode. | dwunch |
| March 26, 2019, midnight | Yes | Planned power outage on Tuesday, March 26 from 10am-11am has been canceled. | dwunch |
| March 24, 2019, midnight | Yes | Planned power outage on Tuesday, March 26 from 10am-11am. | dwunch |
| Oct. 18, 2018, midnight | Yes | dwunch | |
| Aug. 18, 2018, midnight | Yes | InGaAs and InSb working. | dwunch |
| July 20, 2018, midnight | Yes | Power restored at ETL; still operational only on InGaAs detector. | dwunch |
| July 20, 2018, midnight | No | Power outage at ETL | dwunch |
| July 7, 2018, midnight | Yes | We're operational on the InGaAs detector, but have run out of LN2 until we replace a part on the generator. | dwunch |
| July 4, 2018, midnight | No | Power outage at ETL | dwunch |
| May 14, 2018, midnight | Yes | We're operational on the InGaAs detector, but have run out of LN2 until we replace a part on the generator. | dwunch |
| March 1, 2018, midnight | Yes | dwunch | |
| Feb. 3, 2018, midnight | Yes | Ice blockage on tracker removed. | dwunch |
| Feb. 2, 2018, midnight | No | Tracker is not turning in azimuth | dwunch |
| Dec. 28, 2017, midnight | Yes | Realigned and operational as of December 21. | dwunch |
| Dec. 19, 2017, midnight | No | Down for realignment visit. | dwunch |
| Dec. 6, 2017, midnight | No | We're taking measurements, but the ILS is unacceptable. | dwunch |
| Oct. 16, 2017, midnight | Yes | Maintenance trip complete. | dwunch |
| Oct. 10, 2017, midnight | No | Maintenance trip underway. | dwunch |
| Sept. 25, 2017, midnight | Yes | Note: planned maintenance trip October 5-11, 2017 | dwunch |
| Aug. 24, 2017, midnight | Yes | Back in play after a hard reboot of the IFS control computer. | dwunch |
| Aug. 24, 2017, midnight | No | Cannot communicate with the IFS. Probably needs a reboot. | dwunch |
| Aug. 2, 2017, midnight | Yes | Temperatures in the lab have returned to normal. | dwunch |
| July 28, 2017, midnight | No | Laser cannot lock due to heat inside lab. (Air conditioners not keeping up with pump heat.) | dwunch |
| June 9, 2017, midnight | Yes | dwunch | |
| April 19, 2017, midnight | Yes | dwunch | |
| March 31, 2017, midnight | Yes | We seem to be back in business. IFS is not fully evacuated, but that shouldn't be a problem for Xco2. | dwunch |
| March 30, 2017, midnight | No | The new suntracker controller was installed, but it hasn't been sunny to check to ensure that the system is operational. | dwunch |
| March 23, 2017, midnight | No | Suntracker amplifier is blown - we hope to install a new controller early next week. | dwunch |
| March 10, 2017, midnight | No | Suntracker will not initialize. | dwunch |
| Feb. 8, 2017, midnight | Yes | Enclosure batteries have been swapped; pumpdown still slow | dwunch |
| Feb. 1, 2017, midnight | Yes | Enclosure batteries need swapping; pump still slow | dwunch |
| Oct. 3, 2016, midnight | No | Instrumentation installed, but still working out some bugs. | dwunch |
| June 15, 2016, midnight | No | We plan to install the station in late September. | dwunch |
| May 24, 2016, midnight | No | We plan to install the station in late August/early September. | dwunch |