| Date | Operational? | Description/reason | Last updated by |
|---|---|---|---|
| May 13, 2025, 6:57 p.m. | Yes | Power restored after AFRC center wide outage. | podolske |
| May 9, 2025, 11:08 p.m. | No | AFRC power outage - expect to RTS on 2025-05-12 | podolske |
| March 24, 2025, 9:59 p.m. | Yes | TCCON operational after planned power outage | podolske |
| March 20, 2025, 10:01 p.m. | No | Shutdown for center wide power outage | podolske |
| March 14, 2025, 6:58 p.m. | No | TCCON shutdown for AFRC center wide power outage | podolske |
| March 11, 2025, 7:02 p.m. | Yes | Operational after weekend power outage | podolske |
| March 6, 2025, 10:46 p.m. | No | AFRC TCCON powered down for planned center power maintenance activity. | podolske |
| Jan. 27, 2025, 10:13 p.m. | Yes | Operational after Jan 23-27 2025 power outage. | podolske |
| Nov. 7, 2024, 11:26 p.m. | Yes | coleen | |
| April 22, 2024, 10:18 p.m. | Yes | Operational after weekend power outage | podolske |
| March 14, 2024, 3:54 p.m. | Yes | Operational after series of power anomalies | podolske |
| March 8, 2024, 6:43 p.m. | No | Power outage has caused IFS and sun tracker errors | podolske |
| March 8, 2024, 3:39 p.m. | Yes | Operational after 2024-03-07 power loss | podolske |
| March 7, 2024, 9:16 p.m. | No | Emergency power shutdown. | podolske |
| Feb. 29, 2024, 9:57 p.m. | Yes | Powered up after planned outage - computer not currently on battery backup | podolske |
| Feb. 23, 2024, 12:10 a.m. | No | Powered down for scheduled power outage - expect return 2024-02-26 | podolske |
| Sept. 15, 2023, 2:07 a.m. | Yes | Operational after heat pump failure | podolske |
| Sept. 8, 2023, 3:32 p.m. | No | Container overheating due to A/C failure | podolske |
| June 25, 2023, 11:08 p.m. | Yes | Operational after cleaning bugs and dust from entrance window | podolske |
| March 27, 2023, 10:53 p.m. | Yes | Operational after 2023-03-23 -> 2023-03-27 power outage | podolske |
| Jan. 28, 2023, 3:30 p.m. | Yes | Operational after 2023-01-26 planned electrical outage | podolske |
| Jan. 27, 2023, 12:54 a.m. | No | TCCON powered down until 2023/01/27, expected back online then | podolske |
| May 23, 2022, 9:53 p.m. | Yes | TCCON operational after power outage 20220519 | podolske |
| May 20, 2022, 4:16 a.m. | No | TCCON down for AFRC power outage 20220520 | podolske |
| May 6, 2022, 2:37 a.m. | Yes | Entrance window cleaned and Pandora installed on site. | podolske |
| Jan. 30, 2022, 5:17 p.m. | Yes | TCCON operational after power outage 20220122 | podolske |
| Jan. 30, 2022, 5:16 p.m. | Yes | TCCON operational after power outage 20210326] | podolske |
| Jan. 27, 2022, 7:52 p.m. | No | Lost Power | podolske |
| Jan. 14, 2022, 11:35 p.m. | Yes | Power restored after planned outage | podolske |
| Jan. 13, 2022, 8:51 p.m. | No | Power off in Area A | podolske |
| Jan. 13, 2022, 8:50 p.m. | Yes | Power off in Area A | podolske |
| Nov. 18, 2021, 3:21 p.m. | Yes | Operational after UPS power failure. | podolske |
| Oct. 14, 2021, 9 p.m. | Yes | Operational after auxiliary UPS failure. | podolske |
| July 30, 2021, 3:36 p.m. | Yes | Fully operational after Cu loop rplacement, optics cleaning, and lid cleaning 7/29/21 | podolske |
| July 14, 2021, 5:55 p.m. | Yes | Fully operational after replacing copper loop in dome 7/13/21 | coleen |
| March 27, 2021, 12:35 a.m. | Yes | TCCON operational after power outage 20210326 | podolske |
| March 25, 2021, 8:07 p.m. | No | Power outage - expected back 20210327 | podolske |
| March 8, 2021, 9:58 p.m. | No | IFS communications failure | podolske |
| Feb. 26, 2021, 7:45 p.m. | Yes | AFRC Herc6 rebooted | podolske |
| Feb. 14, 2021, 7:08 p.m. | Yes | AFRC power restored, TCCON powered up | podolske |
| Feb. 11, 2021, 6:36 p.m. | No | AFRC center wide power outage | podolske |
| Sept. 18, 2020, midnight | Yes | TCCON operational after power unscheduled outage | podolske |
| Sept. 18, 2020, midnight | No | TCCON not operational due to suntracker failure. | podolske |
| Aug. 19, 2020, midnight | Yes | TCCON operational after service visit on 20200803 | podolske |
| May 28, 2020, midnight | Yes | TCCON operational after power outage 20200528 | podolske |
| March 21, 2020, midnight | Yes | TCCON operational after power outage 20200320 | podolske |
| Feb. 13, 2020, midnight | Yes | TCCON operational after power outage | podolske |
| Feb. 7, 2020, midnight | No | Planned power outage 20200206 expect to power up next week | podolske |
| Jan. 27, 2020, midnight | Yes | coleen | |
| July 31, 2019, midnight | Yes | TCCON IFS125 communicating properly | podolske |
| July 30, 2019, midnight | No | Communication problem between Herc6 and IFS125 | podolske |
| June 23, 2019, midnight | Yes | TCCON operational after power outage | podolske |
| June 21, 2019, midnight | No | Shutdown for scheduled AFRC power outage | podolske |
| April 19, 2019, midnight | Yes | HeNe replaced | podolske |
| Feb. 22, 2019, midnight | No | Problem with the dome shutter since 2/20/19 | coleen |
| Feb. 6, 2019, midnight | Yes | coleen | |
| Oct. 4, 2018, midnight | Yes | Sun tracker firmware and IFSloop upgraded | podolske |
| Aug. 31, 2018, midnight | Yes | Scanner laser shutter jumper fixed. | podolske |
| Aug. 24, 2018, midnight | No | Scanner Failure | podolske |
| July 16, 2018, midnight | No | Sun tracker fixed. | podolske |
| July 16, 2018, midnight | Yes | Sun tracker fixed. | podolske |
| June 11, 2018, midnight | No | Sun tracker broken. | podolske |
| June 1, 2018, midnight | Yes | TCCON began operations at ARFC on 5/31/18 | coleen |
| June 5, 2017, midnight | No | AFRC TCCON shutdown on 20170530 and moved to JPL | podolske |
| April 13, 2017, midnight | Yes | TCCON operational - new heat pump | podolske |
| April 12, 2017, midnight | No | Sun tracker failure - will restart 4/13/17 | podolske |
| March 25, 2017, midnight | Yes | TCCON operational after power outage | podolske |
| March 23, 2017, midnight | No | TCCON down for AFRC power outage | podolske |
| Feb. 24, 2017, midnight | Yes | TCCON operational after center wide power outage | podolske |
| Feb. 23, 2017, midnight | No | TCCON shut down 20170223 for AFRC power outage | podolske |
| Dec. 31, 2016, midnight | Yes | TCCON operational | podolske |
| Dec. 31, 2016, midnight | No | Sun tracker indicating insufficient light to track on clear day. | podolske |
| Dec. 1, 2016, midnight | Yes | Replaced laser and HCl cell | coleen |
| Aug. 30, 2016, midnight | No | TCCON repeated scanner failures - may be HeNe | podolske |
| Aug. 29, 2016, midnight | Yes | TCCON operational after power outage | podolske |
| Aug. 25, 2016, midnight | No | Powered down in advance of power outage at AFRC. | iraci |
| Aug. 1, 2016, midnight | Yes | TCCON operational - sun tracker reset | podolske |
| July 31, 2016, midnight | No | TCCON sun tracker failure - ST needs hard reboot | podolske |
| May 1, 2016, midnight | Yes | TCCON operational - shutter repaired | podolske |
| April 26, 2016, midnight | No | Dome shutter not working. | podolske |
| April 25, 2016, midnight | Yes | TCCON operational - Herc6 reboot succesful | podolske |
| April 25, 2016, midnight | No | TCCON Herc6 computer not working. Reboot expected earlyafternoon 4/25/16 | podolske |
| March 29, 2016, midnight | Yes | TCCON operational - power up on 3/28/16 successful | podolske |
| March 24, 2016, midnight | No | AFRC power outage - return expected 3/28/2016 | podolske |
| March 23, 2016, midnight | Yes | TCCON operational - dome repaired | podolske |
| March 15, 2016, midnight | No | Dome failed! | podolske |
| Feb. 28, 2016, midnight | Yes | TCCON operational after restarts | podolske |
| Feb. 25, 2016, midnight | No | AFRC TCCON down for center wide power outage | podolske |
| Dec. 17, 2015, midnight | Yes | TCCON operational suntracker rebooted | podolske |
| Dec. 12, 2015, midnight | Yes | TCCON operational communication problem fixed 20151210 | podolske |
| Dec. 5, 2015, midnight | No | Communication problems with container and scanner failure | podolske |
| Oct. 14, 2015, midnight | Yes | TCCON operational suntracker rebooted | podolske |
| Oct. 9, 2015, midnight | No | Sun tracker not working | podolske |
| Sept. 29, 2015, midnight | Yes | TCCON operational suntracker rebooted | podolske |
| Sept. 27, 2015, midnight | No | Sun Tracker not working | podolske |
| Aug. 17, 2015, midnight | No | TCCON Operational dome repaired | podolske |
| Aug. 17, 2015, midnight | Yes | TCCON Operational dome repaired | podolske |
| Aug. 14, 2015, midnight | No | Dome failure | podolske |
| May 23, 2015, midnight | Yes | TCCON dome now functional | podolske |
| May 14, 2015, midnight | No | TCCON dome not working. | podolske |
| May 11, 2015, midnight | Yes | TCCON operational | podolske |
| May 7, 2015, midnight | No | Dome not operational. | podolske |
| April 28, 2015, midnight | Yes | TCCON operational | podolske |
| April 20, 2015, midnight | No | TCCON Herc6 not respondin. Repair planned for 4/27/2015 | podolske |
| April 16, 2015, midnight | Yes | TCCON Operational | podolske |
| March 30, 2015, midnight | Yes | TCCON operational for OCO-2 overpass | podolske |
| March 13, 2015, midnight | Yes | TCCON operational after power outage | podolske |
| March 12, 2015, midnight | No | TCCON powered down for 3/13/2015 power outage | podolske |
| Feb. 17, 2015, midnight | Yes | TCCON operational after power outage. | podolske |
| Feb. 13, 2015, midnight | No | TCCON down for AFRC center wide power outage. | podolske |
| Feb. 11, 2015, midnight | Yes | TCCON currently operational. Will shut down for AFRC power outage 2/13/15. | podolske |
| Dec. 1, 2014, midnight | No | TCCON shut down for move to permanent location | podolske |
| Nov. 26, 2014, midnight | Yes | TCCON operational | podolske |
| Nov. 26, 2014, midnight | No | AFRC TCCON sun tracker not working. Fix is is progress. | podolske |
| Nov. 8, 2014, midnight | Yes | Armstrong TCCON operational after power outage | podolske |
| Nov. 8, 2014, midnight | No | Armstrong TCCON shut down for power outage | podolske |
| Nov. 6, 2014, midnight | Yes | Armstrong TCCON operational | podolske |
| Nov. 4, 2014, midnight | Yes | Instrument operating again after 11/4 dome repair. | hillyard |
| Nov. 3, 2014, midnight | No | Dome not operational. Repair planned for 11/4-11/5 | hillyard |
| Oct. 24, 2014, midnight | Yes | TCCON operational! | hillyard |
| Oct. 16, 2014, midnight | Yes | TCCON operational | podolske |
| Oct. 2, 2014, midnight | Yes | TCCON operational | podolske |
| Oct. 2, 2014, midnight | No | TCCON operational | podolske |
| Sept. 26, 2014, midnight | Yes | Operational again after a brief power outage | hillyard |
| Sept. 18, 2014, midnight | Yes | TCCON operational | hillyard |
| Sept. 11, 2014, midnight | Yes | TCCON Operational | podolske |
| Aug. 21, 2014, midnight | Yes | TCCON Operational | podolske |
| Aug. 14, 2014, midnight | Yes | TCCON Operational | podolske |
| Aug. 6, 2014, midnight | Yes | TCCON operational! | hillyard |
| Aug. 4, 2014, midnight | Yes | TCCON operational | hillyard |
| July 25, 2014, midnight | Yes | TCCON operational again after power outage | podolske |
| July 25, 2014, midnight | No | Shutdown for NASA Armstrong/Dryden power outage 8:00 AM | podolske |
| July 23, 2014, midnight | Yes | TCCON operational | hillyard |
| June 17, 2014, midnight | Yes | TCCON operational | hillyard |
| April 28, 2014, midnight | Yes | TCCON operational again after power outage | hillyard |
| April 14, 2014, midnight | No | Shutdown for Armstrong power outage | hillyard |
| July 25, 2013, midnight | Yes | Operation started on 2013-07-20 | blavier |
| July 10, 2013, midnight | No | Currently begin set up. | dwunch |