| Date | Operational? | Description/reason | Last updated by |
Typical Non-Operational Days |
Planned Non-Operational Dates |
|---|---|---|---|---|---|
| March 27, 2026, 7:22 p.m. | Yes | Measurements have resumed! | coleen | ||
| March 25, 2026, 4:55 p.m. | No | Lost internet on 3/23/26; still working to establish connection with new modem/router | coleen | ||
| Feb. 25, 2026, 7:14 p.m. | Yes | 28V Herc power supply was replaced, as well as back up lead acid batteries and charger | coleen | ||
| Feb. 5, 2026, 7:30 p.m. | No | Backup batteries found to be bad in recent power outage; new ones ordered ... | coleen | ||
| Dec. 17, 2025, 9:52 p.m. | Yes | A new battery solved the ZENO problem; data resumed 12/17/25 | coleen | ||
| Dec. 9, 2025, 8:09 p.m. | No | Zeno failure. No data collection since 11/23/25 | coleen | ||
| Nov. 19, 2025, 8:52 p.m. | Yes | coleen | |||
| May 7, 2025, 3:17 a.m. | Yes | Dome is operational and scanning has commenced! | coleen | ||
| March 30, 2025, 7:43 p.m. | No | System put in Hold 3/28/25 because shutter motor is not stopping when closed; diode of limit switch suspected | coleen | ||
| Nov. 7, 2024, 11:27 p.m. | Yes | coleen | |||
| Jan. 31, 2024, 11:26 p.m. | Yes | coleen | |||
| Sept. 25, 2023, 5:36 p.m. | Yes | coleen | |||
| March 9, 2023, 6:25 p.m. | Yes | All is well | coleen | ||
| Feb. 8, 2023, 3:54 a.m. | Yes | Replaced the HeNe laser on 2/1/23; measurements resumed the next day | coleen | ||
| Dec. 9, 2022, 6:53 p.m. | No | Scanner failure; suspect laser failure on 12/5/22 | coleen | ||
| Oct. 26, 2022, 10 p.m. | Yes | Updated to M16 controller on 10/18/22; system needed a few resets, but working now. | coleen | ||
| June 24, 2022, 5:28 p.m. | Yes | Still going | coleen | ||
| Feb. 22, 2022, 6:53 p.m. | Yes | (Fingers crossed) Still working fine! | coleen | ||
| Aug. 29, 2021, 7:43 p.m. | Yes | Dome azimuth bracket and motor assembly replaced; full day data collection restarted 8/26/21 | coleen | ||
| Aug. 25, 2021, 10:42 p.m. | Yes | Dome is operational again, so full day data collection should resume 8/26/21. | coleen | ||
| July 7, 2021, 11:19 p.m. | Yes | Noon-time operation ONLY (OK for targeting); azimuth rotation not possible at this time | coleen | ||
| Feb. 19, 2021, 12:01 a.m. | Yes | New battery installed in the Zeno weather station | j_laughner | ||
| Feb. 15, 2021, 4:29 a.m. | No | Zeno weather station offline | j_laughner | ||
| Oct. 21, 2020, 12:37 a.m. | Yes | Heat pump has an error; everything else is currently working. | coleen | ||
| July 14, 2020, midnight | Yes | coleen | |||
| March 23, 2020, midnight | Yes | coleen | |||
| Jan. 27, 2020, midnight | Yes | coleen | |||
| Oct. 10, 2019, midnight | Yes | coleen | |||
| Sept. 24, 2019, midnight | No | Down intermittently during site visit | coleen | ||
| July 16, 2019, midnight | Yes | coleen | |||
| April 10, 2019, midnight | Yes | coleen | |||
| Feb. 6, 2019, midnight | Yes | Temporary phone/internet feed is in and connectivity is restored | coleen | ||
| Jan. 22, 2019, midnight | No | Perhaps operational, but container is off the internet | coleen | ||
| Jan. 15, 2019, midnight | Yes | Suntracker is working again | coleen | ||
| Jan. 5, 2019, midnight | No | Problems with the suntracker since 1/4/19 | coleen | ||
| Aug. 20, 2018, midnight | Yes | coleen | |||
| June 22, 2018, midnight | Yes | Connection restored on 6/20/18 | coleen | ||
| June 18, 2018, midnight | No | Off the net due to some weekend storms | coleen | ||
| March 6, 2018, midnight | Yes | coleen | |||
| March 2, 2018, midnight | No | Robodome control board seems to have crashed; replacement on the way. | coleen | ||
| Feb. 6, 2018, midnight | Yes | coleen | |||
| Sept. 25, 2017, midnight | Yes | coleen | |||
| June 23, 2017, midnight | Yes | coleen | |||
| March 16, 2017, midnight | Yes | coleen | |||
| Feb. 26, 2017, midnight | Yes | New window installed | coleen | ||
| Jan. 30, 2017, midnight | No | CaF2 window broke and must be replaced | coleen | ||
| Jan. 27, 2017, midnight | Yes | coleen | |||
| Nov. 18, 2016, midnight | Yes | Dome is rotating again, but not sure for how long | coleen | ||
| Nov. 13, 2016, midnight | No | Dome is stuck in one position | coleen | ||
| Aug. 16, 2016, midnight | Yes | coleen | |||
| June 14, 2016, midnight | Yes | Scanner moving again | coleen | ||
| May 29, 2016, midnight | No | Scanner stopped; will ask Jeff for help on Tuesday | coleen | ||
| May 5, 2016, midnight | Yes | New sun tracker installed! | coleen | ||
| April 14, 2016, midnight | No | Sun tracker stuck in one position | coleen | ||
| March 19, 2016, midnight | No | Problems with the suntracker | coleen | ||
| Feb. 29, 2016, midnight | Yes | Note: intermittent problem with the suntracker, but taking some data | coleen | ||
| Jan. 4, 2016, midnight | Yes | Note: intermittent problem with the suntracker, but taking some data | coleen | ||
| Nov. 30, 2015, midnight | No | Dome shutter is stuck and azimuth rotation is limited. | coleen | ||
| Oct. 20, 2015, midnight | No | Phone line down and have no communication with FTS at this time. | coleen | ||
| Oct. 20, 2015, midnight | Yes | Phone lines up and FTS running! | coleen | ||
| May 21, 2015, midnight | Yes | Quadrant sensor operational for nearly a month now ... | coleen | ||
| April 23, 2015, midnight | No | Intermittent problem (w/ suntracker?) has returned | coleen | ||
| April 3, 2015, midnight | Yes | Currently working, but must observe | coleen | ||
| March 13, 2015, midnight | No | suntracker issues again | coleen | ||
| March 12, 2015, midnight | Yes | Suntracker seems to have auto-corrected and is back in business. | coleen | ||
| March 11, 2015, midnight | No | suntracker issues again | coleen | ||
| March 5, 2015, midnight | Yes | coleen | |||
| Jan. 22, 2015, midnight | Yes | Tracker offset angles adjusted and tracker is again tracking | coleen | ||
| Jan. 11, 2015, midnight | No | Solar Tracker Failure | wennberg | ||
| Dec. 29, 2014, midnight | No | Dome failing to open fully. | dwunch | ||
| Dec. 29, 2014, midnight | Yes | dwunch | |||
| Nov. 14, 2014, midnight | Yes | Currently operation w/removable disk seated and accessible | coleen | ||
| Nov. 14, 2014, midnight | Yes | Currently operational w/ removable disk seated and accessible | coleen | ||
| Oct. 22, 2014, midnight | No | Experiencing problems with the Herc computer | coleen | ||
| Oct. 2, 2014, midnight | Yes | All systems functional and site fully operational | coleen | ||
| Sept. 2, 2014, midnight | Yes | All systems functional and site fully operational | coleen | ||
| Aug. 13, 2014, midnight | Yes | All systems functional and site fully operational | coleen | ||
| Aug. 7, 2014, midnight | No | Corrupted file system on new Herc4 detected last night | coleen | ||
| Aug. 6, 2014, midnight | Yes | Yes, however, there is still a bug with the new S/T driver on Herc4 | coleen | ||
| June 18, 2014, midnight | Yes | Functional, but shutter rails and Herc need attention | coleen | ||
| May 13, 2014, midnight | Yes | Shutter rails loose - occasional problems with opening/closing of dome | coleen | ||
| Feb. 6, 2014, midnight | Yes | New shutter motor assembly installed! | coleen | ||
| Dec. 9, 2013, midnight | Yes | Dome stuck open; but taking solar scans | coleen | ||
| Dec. 9, 2013, midnight | No | Dome shutter is non-functional and operations have been halted. | coleen | ||
| July 22, 2013, midnight | Yes | Still going ... | coleen | ||
| Feb. 22, 2013, midnight | Yes | Jeff power cycled the FTS on 2/20/13 and scanner error seems to have gone away (???) | coleen | ||
| Feb. 17, 2013, midnight | No | As of 2012-02-16, the encoder seems to be broken. Container is in hold. | dwunch | ||
| Jan. 15, 2013, midnight | Yes | Shutter chain has been replaced and all is working again. | blavier | ||
| Dec. 29, 2012, midnight | No | Chain on shutter motor broke 12/14/12; removed and put container in hold on 12/27/12. | coleen | ||
| Oct. 22, 2012, midnight | Yes | Still going strong | coleen | ||
| July 20, 2012, midnight | Yes | Back in Play! | coleen | ||
| July 16, 2012, midnight | No | Suntracker error | coleen | ||
| May 21, 2012, midnight | Yes | All is well! | coleen | ||
| Feb. 16, 2012, midnight | Yes | Diode replaced again to get the dome shutter operational; cloudy skies - no data loss. | coleen | ||
| Dec. 8, 2011, midnight | Yes | Another contact replaced and the dome is back in business. | coleen | ||
| Dec. 5, 2011, midnight | No | Problems with the dome since 12/2/11 | coleen | ||
| Oct. 3, 2011, midnight | Yes | FTS (and now webcam) working. | coleen | ||
| July 7, 2011, midnight | Yes | coleen | |||
| April 12, 2011, midnight | Yes | In play, after several days of problems with Dome and finally replacement of Cu contact | coleen | ||
| Jan. 4, 2011, midnight | Yes | All is well in the New Year! | coleen | ||
| Nov. 29, 2010, midnight | No | Shutter stuck upon closing - 11/25/2010; no data collection | coleen | ||
| Nov. 29, 2010, midnight | Yes | Shutter now functional; collecting data once again. | coleen | ||
| Nov. 1, 2010, midnight | Yes | All is well! | coleen | ||
| Oct. 4, 2010, midnight | Yes | Still going strong! | coleen | ||
| Aug. 20, 2010, midnight | Yes | The sun tracker is operational; now just waiting for the sun! | coleen | ||
| Aug. 18, 2010, midnight | No | Returning to PF for another attempt to fix the sun Tracker. | coleen | ||
| July 28, 2010, midnight | No | In Park Falls, attempting to diagnose the sun tracker problem(s). | coleen | ||
| June 21, 2010, midnight | No | Hoping to borrow Sun Tracker Electronics Box from Bruker; waiting on response. | coleen | ||
| May 11, 2010, midnight | No | Sun Tracker computer is down as of 5/6/10. | coleen | ||
| May 4, 2010, midnight | Yes | Coleen and Gretchen are visiting to fix dome, etc | gka | ||
| May 3, 2010, midnight | Yes | Coleen and Gretch are visiting to fix dome, etc | wennberg | ||
| March 27, 2010, midnight | Yes | FTS operational, but only noon time data since 3/24/10 due to cont. problem with dome. | coleen | ||
| March 22, 2010, midnight | No | Power supply to heaters and dome failed the morning of 3/20/2010. | coleen | ||
| March 16, 2010, midnight | Yes | Jeff replaced a bad diode in the shutter motor circuitry, back in oper. 3/2/10 | coleen | ||
| March 3, 2010, midnight | No | Jeff replaced a bad diode in the shutter motor circuitry, back in oper. 3/2/10 | coleen | ||
| March 1, 2010, midnight | No | Dome shutter failing to open; no data obtained since 27 Feb 2010. | coleen | ||
| Feb. 8, 2010, midnight | Yes | Set screw on the shutter motor assembly welded; instrument back in play. | coleen | ||
| Feb. 2, 2010, midnight | No | Dome shutter will not close if opened, so instrument currently in hold. | coleen | ||
| Jan. 14, 2010, midnight | Yes | Replaced loose/damaged set screw on the the gear on the end of the motor shaft driving the dome shutter. Dome has not closed 1/11-1/13. | coleen | ||
| Jan. 6, 2010, midnight | Yes | Instrument put back into play after a visual inspection and manual rotation failed to uncover any problem. | coleen | ||
| Jan. 4, 2010, midnight | No | Azimuth rotation failure coupled with failure to close shutter since 12/25/09. | coleen | ||
| Oct. 7, 2009, midnight | Yes | Laser replaced, instrument realigned and back in Play on October 5 | dwunch | ||
| Sept. 21, 2009, midnight | No | Laser failure coupled with loss and restoration of modem and dome power, 9/19/09 | coleen | ||
| July 25, 2009, midnight | Yes | The container is in Play. | coleen | ||
| July 22, 2009, midnight | Yes | Minor adjustments needed, but Zeno working; container is in Play! | coleen | ||
| July 11, 2009, midnight | No | Zeno failure - zeno needs manual reboot. | dwunch | ||
| July 10, 2009, midnight | Yes | Container occasionally opens northward, but when corrected all is well! | coleen | ||
| May 7, 2009, midnight | Yes | coleen | |||
| May 7, 2009, midnight | Yes | The container has been in Play since lowering the dome rotation motor 4/24/09. | coleen | ||
| May 5, 2009, midnight | Yes | The container is in Play since lowering the dome rotation motor. | coleen | ||
| May 5, 2009, midnight | No | The container has been in Play since lowering the dome rotation motor 4/24/09. | coleen | ||
| April 1, 2009, midnight | Yes | Operational only around noon because of problems with dome rotation | gka | ||
| March 9, 2009, midnight | Yes | We have a temporary workaround for the broken rain gauge, and have been operational since Mar 6. | dwunch | ||
| March 2, 2009, midnight | No | Rain gauge is broken. | dwunch | ||
| Feb. 13, 2009, midnight | Yes | After allowing the shutter rails to cure, the container is now in Play. | dwunch | ||
| Feb. 12, 2009, midnight | No | New shutter rails installed by Jeff Ayers on Feb 10, but being allowed to cure before going into Play. | dwunch | ||
| Jan. 22, 2009, midnight | No | First Park Falls test. | dwunch | ||
| Jan. 22, 2009, midnight | No | Second test. | dwunch | ||
| Jan. 22, 2009, midnight | Yes | Testing. | dwunch | ||
| Jan. 22, 2009, midnight | No | Dome needs new shutter rails installed. | dwunch |