| Date | Operational? | Description/reason | Last updated by |
|---|---|---|---|
| July 12, 2024, 6:08 a.m. | Yes | Yes, still okay, with a couple of manual interventions necessary while we wait for fixes | nmd03 |
| Oct. 5, 2023, 1:06 a.m. | Yes | nmd03 | |
| Feb. 2, 2023, 12:25 a.m. | Yes | nmd03 | |
| June 16, 2022, 4:21 a.m. | Yes | Working | nmd03 |
| March 10, 2022, 12:23 a.m. | Yes | Well, we think so. Haven't seen the sun much in a while! | nmd03 |
| Feb. 6, 2022, 10:08 p.m. | Yes | Running as normal when the weather allows | nmd03 |
| Dec. 16, 2021, 10:24 p.m. | Yes | Will run in NIR only for 24 and 26 December for potential overpasses | clarem |
| Dec. 8, 2021, 3:59 a.m. | Yes | Back after RCD testing | nmd03 |
| Dec. 6, 2021, 10:33 p.m. | No | Shutdown for RCD testing. Back after 0400 UT, Wednesday Dec 8 | nmd03 |
| Oct. 13, 2021, 11:18 p.m. | Yes | Back with new vacuum pump | nmd03 |
| Oct. 5, 2021, 8:37 p.m. | No | Not running after pump failure (short term) | nmd03 |
| July 16, 2021, 10:21 p.m. | Yes | Back in business after electrical testing | nmd03 |
| July 8, 2021, 8:48 p.m. | No | shutdown for building RCD testing until July 15 | nmd03 |
| July 1, 2021, 6:46 a.m. | Yes | All running OK on main instrument. New instrument meets TCCON specs. | clarem |
| July 1, 2021, 6:46 a.m. | Yes | All running OK on main. New instrument meets TCCON specs. | clarem |
| June 10, 2021, 8:34 p.m. | Yes | Running okay. New instrument getting there as well | nmd03 |
| April 11, 2021, 8:32 p.m. | Yes | Okay | nmd03 |
| Jan. 24, 2021, 9:46 p.m. | Yes | All okay | nmd03 |
| Dec. 11, 2020, 4:46 a.m. | Yes | Status quo | nmd03 |
| Nov. 14, 2020, 10:51 p.m. | Yes | Running as normal | nmd03 |
| Oct. 22, 2020, 2:39 a.m. | Yes | All moving along smoothly | nmd03 |
| July 30, 2020, midnight | Yes | nmd03 | |
| Feb. 18, 2020, midnight | Yes | New REO laser, very good (small) laser sampling errors | voltaire |
| Aug. 28, 2019, midnight | Yes | Operating with provisional REO laser, LSEs are larger than usual. | voltaire |
| Aug. 14, 2019, midnight | No | Laser unstable, awaiting replacement | griffith |
| July 16, 2019, midnight | Yes | griffith | |
| March 21, 2019, midnight | No | Tracker cover changed, need to assess alignment | voltaire |
| Feb. 18, 2019, midnight | Yes | Interferometer realigned | voltaire |
| Jan. 31, 2019, midnight | No | Interferometer mis-aligned | voltaire |
| Jan. 26, 2019, midnight | Yes | Back to normal | griffith |
| Jan. 24, 2019, midnight | Yes | Recovery after fried electronics.Trial operations. | voltaire |
| Dec. 28, 2018, midnight | No | Control computer failure | voltaire |
| Dec. 9, 2018, midnight | Yes | Operational since 28 Oct. | griffith |
| Oct. 18, 2018, midnight | No | Tracker failure | nmd03 |
| April 19, 2018, midnight | Yes | voltaire | |
| March 29, 2018, midnight | Yes | voltaire | |
| March 8, 2018, midnight | No | tracker is back, but not registering any intensity. problem being investigated | nmd03 |
| Feb. 5, 2018, midnight | No | voltaire | |
| Dec. 23, 2017, midnight | No | Solar tracker sent to Germany for maintenance. | voltaire |
| Sept. 25, 2017, midnight | No | Solar tracker drive motor error. | voltaire |
| July 9, 2017, midnight | Yes | Solar tracker fixed, WG TCCON back online. | voltaire |
| July 4, 2017, midnight | No | Solar Tracker elevation drive failure | voltaire |
| June 29, 2017, midnight | Yes | voltaire | |
| May 19, 2017, midnight | No | only MIR operations this weekend | voltaire |
| May 12, 2017, midnight | Yes | Solar Tracker "misbehavior" problems past mid day. Not optimal. | voltaire |
| April 28, 2017, midnight | Yes | Operational but, still debugging tracker issue after mid-day. | voltaire |
| April 12, 2017, midnight | Yes | Operational but experiencing intermittent solar tracker errors. | voltaire |
| April 2, 2017, midnight | No | Solar tracker failure | voltaire |
| March 9, 2017, midnight | Yes | voltaire | |
| Feb. 19, 2017, midnight | Yes | Building power restored | voltaire |
| Feb. 16, 2017, midnight | No | Weekend power shutdown | voltaire |
| Feb. 9, 2017, midnight | Yes | voltaire | |
| Jan. 19, 2017, midnight | Yes | voltaire | |
| Jan. 17, 2017, midnight | Yes | voltaire | |
| Jan. 5, 2017, midnight | Yes | voltaire | |
| Nov. 23, 2016, midnight | Yes | voltaire | |
| Nov. 21, 2016, midnight | Yes | voltaire | |
| Nov. 3, 2016, midnight | Yes | voltaire | |
| Oct. 27, 2016, midnight | Yes | voltaire | |
| Oct. 20, 2016, midnight | Yes | voltaire | |
| Oct. 13, 2016, midnight | Yes | voltaire | |
| Oct. 9, 2016, midnight | Yes | voltaire | |
| Sept. 22, 2016, midnight | Yes | AOK. Note Alice Springs campaign with EM27 26Sep-7Oct for GOSAT M-gain comparison. | voltaire |
| Sept. 16, 2016, midnight | Yes | voltaire | |
| Sept. 8, 2016, midnight | Yes | voltaire | |
| Sept. 3, 2016, midnight | Yes | voltaire | |
| Aug. 25, 2016, midnight | Yes | Adixen ACP 40 vacuum pump back in optimal operation | voltaire |
| Aug. 5, 2016, midnight | Yes | voltaire | |
| July 28, 2016, midnight | Yes | voltaire | |
| July 23, 2016, midnight | Yes | voltaire | |
| July 14, 2016, midnight | Yes | voltaire | |
| July 7, 2016, midnight | Yes | voltaire | |
| June 13, 2016, midnight | No | Tracker problems | nmd03 |
| May 19, 2016, midnight | Yes | voltaire | |
| May 12, 2016, midnight | Yes | voltaire | |
| May 5, 2016, midnight | Yes | voltaire | |
| April 28, 2016, midnight | Yes | voltaire | |
| April 21, 2016, midnight | Yes | voltaire | |
| April 20, 2016, midnight | Yes | voltaire | |
| April 13, 2016, midnight | No | Lab power shutdown for maintenance | voltaire |
| April 7, 2016, midnight | Yes | TCCON mode operations only, beam selector driving motor kaputt. | voltaire |
| March 31, 2016, midnight | Yes | voltaire | |
| March 26, 2016, midnight | Yes | voltaire | |
| March 10, 2016, midnight | Yes | voltaire | |
| March 3, 2016, midnight | Yes | voltaire | |
| Feb. 25, 2016, midnight | Yes | voltaire | |
| Feb. 18, 2016, midnight | Yes | voltaire | |
| Feb. 18, 2016, midnight | Yes | voltaire | |
| Feb. 11, 2016, midnight | Yes | voltaire | |
| Feb. 8, 2016, midnight | Yes | OK for target 10 Feb 2016 | griffith |
| Feb. 4, 2016, midnight | Yes | Evacuation now OK with temporary pump | griffith |
| Feb. 2, 2016, midnight | Yes | Fts pressure 5 mb | griffith |
| Feb. 2, 2016, midnight | Yes | Ft pressure 5 mb | griffith |
| Jan. 29, 2016, midnight | No | vacuum pump maintenance | voltaire |
| Jan. 21, 2016, midnight | Yes | restricted operation due to vacuum pump failure. Temporary replacement pump only evacuates to approx. 2mb overnight. | nmd03 |
| Jan. 16, 2016, midnight | Yes | voltaire | |
| Jan. 11, 2016, midnight | Yes | temporarily operating under ambient atmospheric pressure (vented) | voltaire |
| Jan. 9, 2016, midnight | No | vacuum pump failure | voltaire |
| Jan. 7, 2016, midnight | Yes | voltaire | |
| Jan. 5, 2016, midnight | Yes | voltaire | |
| Dec. 15, 2015, midnight | Yes | FTS OK, forecast maybe not? | griffith |
| Dec. 6, 2015, midnight | Yes | OK for target if clear | clarem |
| Nov. 29, 2015, midnight | Yes | ok for target, sunny tomorrow | voltaire |
| Nov. 25, 2015, midnight | Yes | voltaire | |
| Nov. 25, 2015, midnight | No | voltaire | |
| Nov. 22, 2015, midnight | Yes | Ready for target 2015-11-24 | griffith |
| Nov. 19, 2015, midnight | Yes | voltaire | |
| Nov. 15, 2015, midnight | Yes | voltaire | |
| Nov. 5, 2015, midnight | Yes | njones | |
| Oct. 29, 2015, midnight | Yes | voltaire | |
| Oct. 22, 2015, midnight | Yes | voltaire | |
| Oct. 16, 2015, midnight | Yes | voltaire | |
| Oct. 8, 2015, midnight | Yes | voltaire | |
| Oct. 2, 2015, midnight | Yes | voltaire | |
| Sept. 24, 2015, midnight | Yes | voltaire | |
| Sept. 17, 2015, midnight | Yes | voltaire | |
| Sept. 10, 2015, midnight | Yes | voltaire | |
| Sept. 8, 2015, midnight | Yes | griffith | |
| Sept. 6, 2015, midnight | Yes | voltaire | |
| Aug. 26, 2015, midnight | Yes | voltaire | |
| Aug. 20, 2015, midnight | Yes | voltaire | |
| Aug. 13, 2015, midnight | Yes | voltaire | |
| Aug. 9, 2015, midnight | Yes | griffith | |
| Aug. 6, 2015, midnight | Yes | voltaire | |
| July 24, 2015, midnight | Yes | voltaire | |
| April 26, 2015, midnight | Yes | voltaire | |
| March 19, 2015, midnight | Yes | Scanner errors fixed | voltaire |
| March 17, 2015, midnight | No | scanner errors | voltaire |
| March 9, 2015, midnight | Yes | nmd03 | |
| Feb. 19, 2015, midnight | Yes | voltaire | |
| Feb. 12, 2015, midnight | Yes | voltaire | |
| Feb. 5, 2015, midnight | Yes | voltaire | |
| Jan. 29, 2015, midnight | Yes | voltaire | |
| Jan. 29, 2015, midnight | Yes | griffith | |
| Jan. 22, 2015, midnight | Yes | voltaire | |
| Jan. 15, 2015, midnight | Yes | griffith | |
| Jan. 8, 2015, midnight | Yes | voltaire | |
| Dec. 30, 2014, midnight | Yes | voltaire | |
| Dec. 25, 2014, midnight | Yes | voltaire | |
| Dec. 18, 2014, midnight | Yes | voltaire | |
| Dec. 11, 2014, midnight | Yes | voltaire | |
| Dec. 7, 2014, midnight | No | No, compressed air failure. Waiting for compressor repair | nmd03 |
| Dec. 7, 2014, midnight | Yes | Compressed air restored | nmd03 |
| Dec. 4, 2014, midnight | Yes | voltaire | |
| Nov. 28, 2014, midnight | Yes | good to go | voltaire |
| Nov. 20, 2014, midnight | Yes | OK for target | griffith |
| Nov. 20, 2014, midnight | Yes | voltaire | |
| Nov. 13, 2014, midnight | Yes | voltaire | |
| Nov. 6, 2014, midnight | Yes | voltaire | |
| Oct. 30, 2014, midnight | Yes | voltaire | |
| Oct. 24, 2014, midnight | Yes | voltaire | |
| Oct. 16, 2014, midnight | Yes | voltaire | |
| Oct. 9, 2014, midnight | Yes | voltaire | |
| Oct. 2, 2014, midnight | Yes | voltaire | |
| Sept. 25, 2014, midnight | Yes | voltaire | |
| Sept. 18, 2014, midnight | Yes | voltaire | |
| Sept. 14, 2014, midnight | Yes | voltaire | |
| Sept. 11, 2014, midnight | Yes | voltaire | |
| Sept. 4, 2014, midnight | Yes | griffith | |
| Aug. 28, 2014, midnight | Yes | griffith | |
| Aug. 21, 2014, midnight | Yes | HeNe Laser successfully changed and aligned (thanks to CalTech) | voltaire |
| Aug. 14, 2014, midnight | No | HeNe LASER failure, waiting for replacement | voltaire |
| Aug. 3, 2014, midnight | No | HeNe LASER failure, waiting for replacement | voltaire |
| May 12, 2014, midnight | Yes | Normal mixed NIR-MIR operation | coleen |
| Aug. 22, 2013, midnight | Yes | Normal mixed NIR-MIR operation | griffith |
| Jan. 11, 2012, midnight | Yes | Operational with regular NIR. | macatang |
| Jan. 4, 2012, midnight | Yes | Operational with regular NIR. | macatang |
| Dec. 1, 2011, midnight | Yes | Operational with regular NIR. | macatang |
| Nov. 9, 2011, midnight | Yes | Operational with regular NIR. | macatang |
| Oct. 18, 2011, midnight | Yes | Operational with regular NIR. | macatang |
| Oct. 3, 2011, midnight | Yes | Operational with regular NIR. | macatang |
| Sept. 18, 2011, midnight | Yes | Operational with regular NIR. | macatang |
| July 25, 2011, midnight | Yes | Operational with regular NIR. First solar spectra after laser board exchange. | macatang |
| June 21, 2011, midnight | Yes | Operational with regular NIR | macatang |
| March 6, 2011, midnight | Yes | Operational with regular NIR | macatang |
| Feb. 13, 2011, midnight | Yes | Operational with regular NIR | macatang |
| Jan. 27, 2011, midnight | Yes | Operational with regular NIR | macatang |
| Jan. 18, 2011, midnight | Yes | Operational with regular NIR | macatang |
| Jan. 9, 2011, midnight | Yes | Operational with regular NIR | macatang |
| Nov. 30, 2010, midnight | Yes | Operational with regular NIR | macatang |
| Oct. 20, 2010, midnight | Yes | Operational with regular NIR | macatang |
| Oct. 11, 2010, midnight | Yes | Operational with regular NIR | macatang |
| Sept. 23, 2010, midnight | Yes | Operational with regular NIR | macatang |
| Sept. 15, 2010, midnight | Yes | Operational with regular NIR | nmd03 |
| June 5, 2010, midnight | Yes | Operational with regular NIR | nmd03 |
| Feb. 2, 2010, midnight | Yes | Operational with regular NIR | nmd03 |
| Jan. 11, 2010, midnight | Yes | Operational with regular NIR | nmd03 |
| Dec. 22, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Dec. 10, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Nov. 22, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Nov. 8, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Nov. 1, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Oct. 25, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Oct. 18, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Oct. 11, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Oct. 4, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Sept. 27, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Sept. 20, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Sept. 13, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Sept. 6, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Aug. 30, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Aug. 23, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Aug. 16, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Aug. 9, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Aug. 2, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| July 26, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| July 26, 2009, midnight | Yes | Re-aligned corner cube by viewing Haidinger fringes. | macatang |
| July 22, 2009, midnight | No | Re-alignment | macatang |
| July 20, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| July 12, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| July 5, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| June 28, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| June 21, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| June 15, 2009, midnight | Yes | Operational w/ regular NIR | nmd03 |
| June 11, 2009, midnight | Yes | KBr external window changed 10 June 09. 3x increase in signal. | griffith |
| June 8, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| May 31, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| May 24, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| April 5, 2009, midnight | Yes | Operational. Laser/IR re-alignment to be performed (090406) | nmd03 |
| March 29, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| March 22, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| March 15, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| March 8, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| March 1, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Feb. 22, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Feb. 15, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Feb. 8, 2009, midnight | Yes | Operational with regular NIR | nmd03 |
| Jan. 22, 2009, midnight | Yes | 17-Sept-2008 by DG | dwunch |
| Jan. 22, 2009, midnight | Yes | Yes, with regular NIR. Sun tracker mirrors replaced early Jan | nmd03 |