| Date | Operational? | Description/reason | Last updated by |
Typical Non-Operational Days |
Planned Non-Operational Dates |
|---|---|---|---|---|---|
| Feb. 25, 2026, 7:15 p.m. | Yes | coleen | |||
| Dec. 9, 2025, 8:06 p.m. | Yes | Dome slits stuck open; now fixed. No data collection 12/2 afternoon -12/7 afternoon | coleen | ||
| Nov. 19, 2025, 8:51 p.m. | Yes | Dome slit closed during recent atmospheric river 20251114-20251118; now open and operating | coleen | ||
| Sept. 5, 2025, 6:05 p.m. | Yes | Communication error resolved | j_laughner | ||
| Sept. 3, 2025, 12:09 a.m. | No | Communication error, possible router failure | j_laughner | ||
| March 30, 2025, 7:43 p.m. | Yes | coleen | |||
| Nov. 9, 2024, 6:24 a.m. | Yes | Dome is operational again! | coleen | ||
| Nov. 7, 2024, 11:25 p.m. | No | Dome slits stuck; data halted 11/7/24 | coleen | ||
| June 26, 2024, 9:47 p.m. | Yes | coleen | |||
| Jan. 10, 2024, 10:20 p.m. | Yes | M2 tilt motor coupler set screw tightened- no slippage; dome rotation calc. modified- no late occulting | coleen | ||
| Nov. 13, 2023, 5:28 p.m. | No | Coelostat and dome not working properly | coleen | ||
| Oct. 13, 2023, 5:24 p.m. | Yes | M2Tilt mirror slipping again; no data collection since 10/9/23 | coleen | ||
| Oct. 1, 2023, 1:31 a.m. | Yes | Got the coelostat's M2 Tilt mirror working again today! | coleen | ||
| Sept. 25, 2023, 5:37 p.m. | No | M2 tilt of coelostat not working properly; no data since 9/19/23 | coleen | ||
| Sept. 25, 2023, 5:35 p.m. | No | M2 tilt of coelostat not working properly | coleen | ||
| March 9, 2023, 6:24 p.m. | Yes | All is well | coleen | ||
| Nov. 15, 2022, 10:04 p.m. | Yes | Dome shutter is unstuck and measurements have resumed. | coleen | ||
| Nov. 10, 2022, 10:18 p.m. | No | Mechanism for opening/closing the dome shutter has failed and needs maintenance | coleen | ||
| Oct. 26, 2022, 9:58 p.m. | Yes | Due to Zeno server crash, no measurements made between Oct 19-25, 2022 | coleen | ||
| May 12, 2022, 8:17 p.m. | Yes | New laser has been installed | coleen | ||
| April 18, 2022, 6:58 p.m. | No | Scanner failure, possibly due to laser failure | coleen | ||
| Feb. 22, 2022, 6:54 p.m. | Yes | Issues with the dome, but still operational | coleen | ||
| Aug. 29, 2021, 7:51 p.m. | Yes | Integral gain of [M1] servo too high (5000), causing wobbling; adjusted down to 1000 and works again. | coleen | ||
| Aug. 16, 2021, 9:13 p.m. | Yes | Made adjustments to M2 encoder. Operational (w/some jerry-rigging at limits) 20210816 | coleen | ||
| July 21, 2021, 8:35 p.m. | No | The m1rot mirror of the coelostat is not working; no observations have been made since 7/19/21 | coleen | ||
| July 7, 2021, 11:21 p.m. | Yes | Morning/early afternoon observations ONLY (OK for targets); coelostat failure in afternoon | coleen | ||
| Nov. 24, 2020, 5:54 p.m. | Yes | Ethernet/serial converter replaced and dome is operational again | coleen | ||
| Nov. 13, 2020, 2:02 a.m. | No | Failure to communicate with the dome's motor controller | coleen | ||
| Oct. 21, 2020, 12:36 a.m. | Yes | Everything is currently working. | coleen | ||
| Aug. 3, 2020, midnight | No | Dome rotation failed; problem unknown | coleen | ||
| Aug. 3, 2020, midnight | Yes | Dome went past limit switch; problem corrected and taking InGaAs only now | coleen | ||
| July 27, 2020, midnight | Yes | Firewall device on Sol computer replaced | coleen | ||
| July 14, 2020, midnight | No | Cannot connect with computer which operates dome and Zeno | coleen | ||
| March 23, 2020, midnight | Yes | coleen | |||
| Jan. 27, 2020, midnight | Yes | coleen | |||
| Nov. 22, 2019, midnight | Yes | coleen | |||
| Nov. 21, 2019, midnight | No | Shut down for solar alignment | coleen | ||
| Oct. 15, 2019, midnight | Yes | coleen | |||
| June 27, 2019, midnight | Yes | Replaced InSb detector and FTS scanning again! | coleen | ||
| April 10, 2019, midnight | Yes | Dome is opening, FTS scanning, but must check alignment | coleen | ||
| March 5, 2019, midnight | No | Dome not opening! | m_kiel | ||
| Feb. 6, 2019, midnight | Yes | coleen | |||
| Aug. 20, 2018, midnight | Yes | Back online | coleen | ||
| July 31, 2018, midnight | No | Zeno computer failure | coleen | ||
| April 27, 2018, midnight | No | InSb must be manually filled; no weekend measurements | coleen | ||
| April 16, 2018, midnight | Yes | Seems to be working | coleen | ||
| April 11, 2018, midnight | No | Laser failure??? | coleen | ||
| Feb. 6, 2018, midnight | Yes | coleen | |||
| Oct. 2, 2017, midnight | No | coleen | |||
| Oct. 2, 2017, midnight | Yes | coleen | |||
| Sept. 14, 2017, midnight | No | Dome has not opened since 9/11/17; power supply has been ordered | coleen | ||
| June 28, 2017, midnight | Yes | coleen | |||
| April 20, 2017, midnight | Yes | New laser installed and system is working | coleen | ||
| April 13, 2017, midnight | No | Laser failure | coleen | ||
| April 4, 2017, midnight | Yes | Coelostat powered by external lab supply until replacement arrives | coleen | ||
| March 21, 2017, midnight | No | Coelostat is down | coleen | ||
| March 16, 2017, midnight | Yes | coleen | |||
| Jan. 27, 2017, midnight | Yes | coleen | |||
| Oct. 10, 2016, midnight | Yes | Has been operational since 10/9/16 | coleen | ||
| Oct. 7, 2016, midnight | No | Offline while re-testing new InSb detector | coleen | ||
| Sept. 29, 2016, midnight | Yes | coleen | |||
| Sept. 24, 2016, midnight | No | Offline while testing new InSb detector | coleen | ||
| Aug. 16, 2016, midnight | Yes | coleen | |||
| June 15, 2016, midnight | Yes | coleen | |||
| April 19, 2016, midnight | Yes | coleen | |||
| March 8, 2016, midnight | No | FTS is offline for testing | coleen | ||
| Feb. 29, 2016, midnight | Yes | coleen | |||
| Dec. 29, 2015, midnight | No | Dome failure - On Hold | wennberg | ||
| Nov. 25, 2015, midnight | No | Coelostat is not 100% functional. | dwunch | ||
| Oct. 16, 2015, midnight | No | FTS is offline for testing | coleen | ||
| July 9, 2015, midnight | Yes | Coelostat is back to working... for now. Still debugging. | dwunch | ||
| July 5, 2015, midnight | No | Dome failure | wennberg | ||
| May 21, 2015, midnight | Yes | dwunch | |||
| May 7, 2015, midnight | Yes | dwunch | |||
| Jan. 12, 2015, midnight | Yes | NASA CMS Field Campaign dates: Jan 25, 27, 29, 31, Feb 3, 5, 7, 10, 12, 14, 16 | dwunch | ||
| Oct. 14, 2014, midnight | Yes | NASA CMS Field Campaign dates: Oct 15, 18, 21, 24, 27, 30; Nov 2, 5, 8, 11, 14. | dwunch | ||
| Sept. 18, 2014, midnight | Yes | coleen | |||
| Sept. 15, 2014, midnight | No | Issues with the dome | coleen | ||
| Sept. 2, 2014, midnight | Yes | All is well | coleen | ||
| Aug. 6, 2014, midnight | Yes | Autofill on the LN2 not working, so no InSb data; the TCCON side is operational | coleen | ||
| June 2, 2014, midnight | Yes | Coelostat frame grabber is now limping along. InGaAs/Si spectra are being recorded (no InSb, yet). | dwunch | ||
| May 29, 2014, midnight | No | Coelostat frame grabber is broken - tracker is not tracking. | dwunch | ||
| April 10, 2014, midnight | Yes | wennberg | |||
| March 18, 2013, midnight | Yes | Unjammed the M1EW motor on Tuesday, March 12. | dwunch | ||
| March 11, 2013, midnight | No | Coelostat M1EW motor is jammed. No measurements after noon 2013-03-11. | dwunch | ||
| Feb. 13, 2013, midnight | Yes | EPM failed on the dome rotation controller. It was replaced and reprogrammed on 2013-02-11. Measurements restarted on 2013-02-12. | dwunch | ||
| Feb. 10, 2013, midnight | No | Dome is failing to turn in azimuth. No measurements starting 2013-02-08. | dwunch | ||
| Sept. 26, 2012, midnight | Yes | Operational, but with a sub-optimal line shape. | dwunch | ||
| Sept. 24, 2012, midnight | No | Switching beamsplitters. | dwunch | ||
| Sept. 17, 2012, midnight | Yes | Operational, but with a sub-optimal line shape. New InSb filter installed. | dwunch | ||
| Sept. 4, 2012, midnight | No | Laser failure | dwunch | ||
| June 24, 2012, midnight | Yes | Switching between InGaAs/Si and InSb (when cold) | dwunch | ||
| May 4, 2012, midnight | Yes | Still running OPUS on windows, but operational! | coleen | ||
| Dec. 16, 2011, midnight | No | FTS has been installed and is operation; still waiting on suntracker. | coleen | ||
| Dec. 16, 2011, midnight | No | FTS has been installed and is operational; still waiting on suntracker. | coleen | ||
| Sept. 16, 2010, midnight | No | Just getting started... | dwunch |