| Date | Operational? | Description/reason | Last updated by |
|---|---|---|---|
| March 30, 2025, 7:43 p.m. | Yes | coleen | |
| Nov. 7, 2024, 11:27 p.m. | Yes | Intermittent scanner failures, most likely due to dust on the encoder; measurements still being made | coleen |
| Nov. 7, 2024, 11:26 p.m. | Yes | coleen | |
| Jan. 31, 2024, 11:26 p.m. | Yes | coleen | |
| Sept. 25, 2023, 5:35 p.m. | Yes | coleen | |
| March 9, 2023, 6:25 p.m. | Yes | All is well | coleen |
| Dec. 5, 2022, 6:30 p.m. | Yes | ARM's folks got the ST working and reinstalled; scanning again as of 12/5/22! | coleen |
| Nov. 30, 2022, 11:39 p.m. | No | Dome issue solved, but now the bearing ST azimuth "stage" is seized up. | coleen |
| Nov. 17, 2022, 5:58 p.m. | No | Dome shutter is stuck, again | coleen |
| Oct. 29, 2022, 6:22 p.m. | Yes | Dome is operational again; data collection restarted 10/28/22. | coleen |
| Oct. 26, 2022, 10:01 p.m. | No | Done won't open since 10/25/22 | coleen |
| Sept. 2, 2022, 4:25 p.m. | Yes | Laser recovered (for now) and FTS is scanning | coleen |
| Aug. 31, 2022, 5:52 p.m. | No | Unexpected power outage at ARM on 8/30/22, having trouble getting laser to lock | coleen |
| June 24, 2022, 5:27 p.m. | Yes | 6/22/22 - HeNe laser managed to lock (suspicious) and measurements resumed for now | coleen |
| June 13, 2022, 3:36 p.m. | No | Bird landed on a transformer and took out power for ARM site; HeNe laser is not coming back on. | coleen |
| April 1, 2022, 12:08 a.m. | Yes | Scanner continues to fail and then fix itself; not sure what is causing error | coleen |
| March 28, 2022, 4:01 p.m. | No | Outer encoder error; trying to diagnose now | coleen |
| Feb. 22, 2022, 6:55 p.m. | Yes | All is well | coleen |
| Sept. 16, 2021, 9:15 p.m. | Yes | Suntracker controller and cables replaced and taking measurements again | coleen |
| July 7, 2021, 11:20 p.m. | No | Suntracker failure; working with Bruker now | coleen |
| Oct. 21, 2020, 12:37 a.m. | Yes | Everything is currently working. | coleen |
| July 14, 2020, midnight | Yes | coleen | |
| May 15, 2020, midnight | Yes | Limit switch on dome shutter replaced and now fully operational | coleen |
| April 13, 2020, midnight | No | Dome is stuck closed; there is no one at ARM to help. | coleen |
| March 23, 2020, midnight | Yes | coleen | |
| Jan. 27, 2020, midnight | Yes | coleen | |
| Oct. 15, 2019, midnight | Yes | coleen | |
| July 19, 2019, midnight | Yes | Fully operational | coleen |
| July 16, 2019, midnight | Yes | InGaAs measurements only since 7/5/2019 when thermistor failed | coleen |
| April 10, 2019, midnight | Yes | coleen | |
| Feb. 6, 2019, midnight | Yes | coleen | |
| Sept. 24, 2018, midnight | Yes | coleen | |
| July 31, 2018, midnight | Yes | coleen | |
| March 15, 2018, midnight | No | Dome shutter not operational, probably due to a broken diode in the switch. Investigation ongoing. | coleen |
| Feb. 6, 2018, midnight | Yes | Operating since 9/2/17, but still with IDE drive issues | coleen |
| Sept. 25, 2017, midnight | Yes | Operating since 9/2/17, but still with IDE drive issues | coleen |
| Aug. 17, 2017, midnight | No | Weather station got hit by lightning, possible damage to Herc as well | coleen |
| June 27, 2017, midnight | Yes | Back taking Solar measurements! | coleen |
| June 23, 2017, midnight | No | Having issues with the LN2 autofill; system is in hold | coleen |
| March 16, 2017, midnight | Yes | coleen | |
| Jan. 27, 2017, midnight | Yes | coleen | |
| Oct. 25, 2016, midnight | Yes | coleen | |
| Oct. 17, 2016, midnight | No | Down for installation of InSb detector | coleen |
| Aug. 16, 2016, midnight | Yes | coleen | |
| June 21, 2016, midnight | Yes | coleen | |
| June 15, 2016, midnight | No | Scanner stuck near the motor, in the limit switch | coleen |
| Feb. 29, 2016, midnight | Yes | coleen | |
| Nov. 25, 2015, midnight | Yes | dwunch | |
| Sept. 4, 2015, midnight | Yes | dwunch | |
| Sept. 4, 2015, midnight | No | Scanner failure. | dwunch |
| Aug. 17, 2015, midnight | Yes | dwunch | |
| May 21, 2015, midnight | Yes | dwunch | |
| April 13, 2015, midnight | Yes | AirCore flights postponed due to poor weather. | dwunch |
| March 31, 2015, midnight | Yes | AirCore flights planned for April 14-15, 2015. | dwunch |
| March 20, 2015, midnight | Yes | AirCore flights planned during week of April 13. | dwunch |
| March 9, 2015, midnight | Yes | AirCore flights planned for March 17 or 18, 2015. | dwunch |
| Feb. 27, 2015, midnight | Yes | dwunch | |
| Sept. 16, 2014, midnight | Yes | AirCore Launch planned for 2014-09-17. | dwunch |
| Sept. 2, 2014, midnight | Yes | Webcam has not been exchanged yet, but still operational | coleen |
| Aug. 6, 2014, midnight | Yes | Webcam has not been exchanged yet, but still operational | coleen |
| June 17, 2014, midnight | Yes | Webcam is limping along; otherwise windy but operational. | dwunch |
| June 3, 2014, midnight | Yes | Webcam is broken, but the instrument is running. | dwunch |
| Oct. 25, 2013, midnight | Yes | Dome shutter rails were glued back on; dome is functional again. | dwunch |
| Oct. 23, 2013, midnight | No | Dome is unable to open. | dwunch |
| Sept. 30, 2013, midnight | Yes | Dome is sort of working again. | dwunch |
| Sept. 28, 2013, midnight | No | Dome is failing to pull any power. | dwunch |
| Sept. 25, 2013, midnight | Yes | Spectra with new suntracker look okay - some lurching in the tracker, however. | dwunch |
| Sept. 16, 2013, midnight | No | Site visit to replace suntracker and upgrade herc to QNX6. | dwunch |
| Aug. 1, 2013, midnight | Yes | The SGP staff restored the solar tracker. | dwunch |
| July 30, 2013, midnight | No | Suntracker computer hard drive failure. | dwunch |
| July 15, 2013, midnight | Yes | Fuse replaced, replacement UPS purchased and will hopefully arrive soon. | dwunch |
| July 13, 2013, midnight | No | Fuse blew in the IFS controller. | dwunch |
| Feb. 27, 2013, midnight | Yes | Power restored to the SGP. | dwunch |
| Feb. 26, 2013, midnight | No | Major snowstorm has disconnected power to the SGP. | dwunch |
| Nov. 13, 2012, midnight | Yes | Power outage over. | dwunch |
| Nov. 13, 2012, midnight | No | Power outage at the SGP while they change the transformers. | dwunch |
| March 29, 2012, midnight | Yes | Still going despite the temporary tracker fix. | dwunch |
| Dec. 2, 2011, midnight | Yes | Solar tracker has a temporary fix in place. | dwunch |
| Sept. 26, 2011, midnight | No | DC motor seems to have damaged the new board. | dwunch |
| Sept. 23, 2011, midnight | Yes | Solar tracker amplifier board replaced and solar scans are being recorded again. | dwunch |
| Sept. 3, 2011, midnight | No | Solar tracker errors - acquisition software turned off for now. | dwunch |
| July 14, 2011, midnight | Yes | dwunch | |
| April 19, 2011, midnight | Yes | Laser replaced on April 11, 2011 | dwunch |
| April 5, 2011, midnight | No | Laser seems to be dying. Site visit next week. | dwunch |
| Jan. 10, 2011, midnight | Yes | dwunch | |
| Nov. 14, 2010, midnight | Yes | dwunch | |
| Aug. 18, 2010, midnight | Yes | dwunch | |
| July 19, 2010, midnight | Yes | dwunch | |
| June 22, 2010, midnight | Yes | dwunch | |
| May 4, 2010, midnight | Yes | dwunch | |
| March 9, 2010, midnight | Yes | dwunch | |
| Jan. 6, 2010, midnight | Yes | dwunch | |
| Dec. 22, 2009, midnight | Yes | dwunch | |
| Nov. 23, 2009, midnight | Yes | dwunch | |
| Aug. 13, 2009, midnight | Yes | dwunch | |
| July 20, 2009, midnight | Yes | The suntracker is now able to initialize and find zero. | dwunch |
| July 16, 2009, midnight | No | Suntracker failure. | dwunch |
| July 6, 2009, midnight | Yes | dwunch | |
| June 11, 2009, midnight | Yes | Test for the TCCON meeting. | dwunch |
| June 1, 2009, midnight | Yes | dwunch | |
| May 7, 2009, midnight | Yes | dwunch | |
| April 25, 2009, midnight | Yes | Tornado watches in effect. See the [[Weather|Weather]] subpage for details. | dwunch |
| April 21, 2009, midnight | Yes | dwunch | |
| April 16, 2009, midnight | Yes | Windy | dwunch |
| April 16, 2009, midnight | No | In hold due to wind and rain. | dwunch |
| April 10, 2009, midnight | Yes | Windy | dwunch |
| March 31, 2009, midnight | Yes | Windy | dwunch |
| March 28, 2009, midnight | Yes | Blizzard conditions, however. | dwunch |
| March 23, 2009, midnight | No | Windy, stormy, and site visit to begin Tuesday, March 24 - Sat., March 28 | dwunch |
| March 9, 2009, midnight | Yes | dwunch | |
| March 5, 2009, midnight | No | Wind gusts up to 37mph. In hold. | dwunch |
| March 4, 2009, midnight | Yes | dwunch | |
| March 3, 2009, midnight | No | Gusts up to 31 mph. In hold. | dwunch |
| March 2, 2009, midnight | Yes | dwunch | |
| Feb. 28, 2009, midnight | No | Gusts up to 37 mph Feb 28. In hold. | dwunch |
| Feb. 23, 2009, midnight | Yes | dwunch | |
| Feb. 21, 2009, midnight | Yes | dwunch | |
| Feb. 20, 2009, midnight | No | Forecast winds for Feb 21: gusts up to 38 mph. In hold. | dwunch |
| Feb. 18, 2009, midnight | Yes | dwunch | |
| Feb. 17, 2009, midnight | Yes | dwunch | |
| Feb. 16, 2009, midnight | No | Forecast winds for Feb 17: gusts up to 43 mph. In hold. | dwunch |
| Feb. 12, 2009, midnight | Yes | dwunch | |
| Feb. 11, 2009, midnight | Yes | Test of new date function. | dwunch |
| Feb. 11, 2009, midnight | Yes | Second test of new date function. | dwunch |
| Feb. 11, 2009, midnight | Yes | dwunch | |
| Feb. 10, 2009, midnight | Yes | dwunch | |
| Feb. 8, 2009, midnight | No | Forecast for wind gusts up to 43 mph for Feb 9. Container in hold. | dwunch |
| Feb. 6, 2009, midnight | Yes | dwunch | |
| Feb. 5, 2009, midnight | No | High winds (gusts up to 39 mph) forecast for Feb 6, 2009. Container in hold. | dwunch |
| Jan. 29, 2009, midnight | Yes | dwunch | |
| Jan. 28, 2009, midnight | Yes | Bright, sunny day. Hopefully we have an overflight opportunity today. | dwunch |
| Jan. 26, 2009, midnight | No | In hold due to freezing rain/sleet. It should be out of hold by mid-day Jan 27, 2009. | dwunch |
| Jan. 25, 2009, midnight | Yes | dwunch | |
| Jan. 23, 2009, midnight | No | dwunch | |
| Jan. 23, 2009, midnight | Yes | Cloudy day today. | dwunch |
| Jan. 23, 2009, midnight | Yes | Test select option. | dwunch |
| Jan. 23, 2009, midnight | Yes | Cloudy. | dwunch |
| Jan. 22, 2009, midnight | No | Just a test. | dwunch |
| Jan. 22, 2009, midnight | No | Testing the new php script. | dwunch |
| Jan. 22, 2009, midnight | Yes | Testing again. | dwunch |
| Jan. 22, 2009, midnight | Yes | Redirect speed. | dwunch |
| Jan. 22, 2009, midnight | Yes | Redirect speed. | dwunch |
| Jan. 22, 2009, midnight | Yes | It turns out that if you put a single quote in this field, it does not know how to handle it. This is a test of the 150 character field limit......... | dwunch |
| Jan. 22, 2009, midnight | Yes | Testing, testing. | dwunch |
| Jan. 22, 2009, midnight | Yes | What if I use backslash in front of quote: '? | dwunch |
| Jan. 22, 2009, midnight | Yes | Clear skies. | dwunch |
| Jan. 22, 2009, midnight | Yes | "+"bob" | dwunch |
| Jan. 22, 2009, midnight | Yes | template | dwunch |
| Jan. 22, 2009, midnight | Yes | Clear skies. | dwunch |
| Jan. 22, 2009, midnight | No | Test of php scripts. | dwunch |
| Jan. 22, 2009, midnight | Yes | Clear skies. | dwunch |
| Jan. 22, 2009, midnight | Yes | dwunch | |
| Jan. 22, 2009, midnight | Yes | dwunch |