2025 July¶
Daily observation notes published from the eovsadata canonical log.
July 01¶
Observer: Owen giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:27 | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 43. Analysis written to SQL @2025-07-01 12:52 UT. |
| 15:14 | 16 | 1, 4, 6-8 | Successful Phase calibration. Analysis written to SQL. |
| 02:42 (Jul 02) | 16 | 1, 4-8, 12-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 10 | Ant 10 optical power is low--not good data | |
| Normal Startup | ||
| 9 | Ant 9 FEM not working (TCP Error). | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 02¶
Observer: Owen giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:27 | 79 | 1, 4-6, 8, 11-13 | Successful Reference calibration for bands < 40. Analysis written to SQL @2025-07-02 12:52 UT. |
| 15:14 | 16 | 1, 4, 6-8 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 03¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:21 (Jul 4) | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 30. Analysis written to SQL @2025-07-03 13:00 UT. |
| 23:14 | 16 | 1, 4-8, 12-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 04¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:28 | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 42. Analysis written to SQL @2025-07-04 12:53 UT. |
| 15:14 | 16 | 1, 4-8, 12-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 10 | Ant 10 optical power is low--not good data | |
| Normal Startup | ||
| 9 | Ant9 isn't tracking. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 05¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:29 | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 42. Analysis written to SQL @2025-07-05 12:54 UT. |
| 02:42 (Jul 6) | 60 | 1, 4-8, 12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 10 | Ant 10 optical power is low--not good data | |
| Normal Startup | ||
| 9 | Ant9 isn't tracking. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 06¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:21 (Jul 7) | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 30. Analysis written to SQL @2025-07-06 13:00 UT. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 10 | Ant 10 optical power is low--not good data | |
| Array didn't start in the morning. / 15:30UT Restarted ACC and schedule. However crio 4 and 5 will not sync. | ||
| 4 | Ant4 back tracking @16:00 UT | |
| 5 | Ant5 back tracking @16:14 UT | |
| 9 | Ant9 isn't tracking. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 07¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:30 | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 42. Analysis written to SQL @2025-07-07 12:55 UT. |
| 15:14 | 16 | 1, 4-8, 11-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| ACC got stuck at some point, so the evening refcal is no good. Restarted at | ||
| 03:21 UT, so some calibration using last 20 min may be available. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Observations
Normal startup today.
Antenna availability: automatic assessment.
July 08¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:21 (Jul 9) | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 30. Analysis written to SQL @2025-07-08 13:00 UT. |
| 23:14 | 16 | 1, 4-8, 11-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Special calibrator observations for baseline measurement overnight. There / will be no refcal this morning and a late solar observation start. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
Antenna availability: automatic assessment.
July 09¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:31 | 78 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 42. Analysis written to SQL @2025-07-09 12:56 UT. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Normal start today, but solar observations interrupted for 3C84 long obs / starting 14:09 UT. I planned to track the position angle of the 27-m, but / it does not seem to be working. Okay, fixed. | ||
| 12 | Ant12 wasn't tracking. Rebooted at 15:24 UT / Back to the Sun at 19:55 UT | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 10¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:41 (Jul 11) | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 30. Analysis written to SQL @2025-07-10 13:00 UT. |
| 23:14 | 16 | 1, 4-8, 11-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Some rough baseline corrections have been applied and another baseline / calibration observation is run overnight, so solar observations will be / delayed. Calibrations were delayed by 7 minutes. | ||
| Swapped FEM9 with FEM3 to try to get ant9 working. The FEM worked for about / 5 minutes before losing its ethernet connection. Ant9 also continually / reports axis lock in azimuth. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 11¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:41 (Jul 12) | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 30. Analysis written to SQL @2025-07-11 13:00 UT. |
| 23:14 | 16 | 1, 4-8, 11-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Additional baseline calibration done last night. Only partly successful due to / ACC getting stuck. Restarted schedule with new baselines @18:20 UT. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 12¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:40 (Jul 13) | 79 | 1, 4-8, 11-13 | Successful Reference calibration for bands < 36. Analysis written to SQL @2025-07-12 13:00 UT. |
| 23:14 | 16 | 1, 4-8, 11-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Additional baseline calibration done last night and the first half of today. | ||
| 10 | Ant10 hard limit in EL. Back to track @17:20 UT / On Sun at 19:32 UT. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 13¶
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Oh oh. The correlator is down. I will go in and see if I can fix it. / It was fixed for a time, but it died again about 22:40 UT. No obs until fixed. |
Observations
No observations July 13-15 due to the correlator power supply fail.
Antenna availability: automatic assessment.
July 14¶
Observations
No observations July 13-15 due to the correlator power supply fail.
Antenna availability: automatic assessment.
July 15¶
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Solar observation started at 17:38 UT |
Observations
No observations July 13-15 due to the correlator power supply fail.
Antenna availability: automatic assessment.
July 16¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:29 (Jul 17) | 60 | 1, 4-8, 11, 13 | Successful Reference calibration for bands \> 7 and < 36. Analysis written to SQL @2025-07-16 13:00 UT. |
| 15:03 | 16 | 1, 4-8, 11, 13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Delays may not be optimal. Ant 16 had maths mode error. Reset at 15:05 UT. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 17¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:39 (Jul 18) | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands \> 7 and < 36. Analysis written to SQL @2025-07-17 13:00 UT. |
| 14:59 | 16 | 1, 4-8, 11, 13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Observations for baseline overnight. Delays updated around 23:00 UT. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 18¶
Observer: Owen Giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:38 (Jul 19) | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands \> 7 and < 39. Analysis written to SQL @2025-07-18 11:00 UT. |
| 14:55 | 16 | 1, 4-8, 12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Observations for baseline overnight. On Sun at 14:44 UT. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 19¶
Observer: Owen Giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:37 | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands \> 7 and < 38. Analysis written to SQL @2025-07-19 13:02 UT. |
| 15:44 | 16 | 1, 4-6, 8, 12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Normal Startup | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 20¶
Observer: Owen Giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:37 (Jul 21) | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands \> 7 and < 40. Analysis written to SQL @2025-07-20 11:00 UT. |
| 12:58 | 16 | 1, 4-6, 8, 12 | Successful Phase calibration. Analysis written to SQL. |
| 15:40 | 16 | 1, 4-6, 8, 12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| 5 | 1500 UT Ant5 had azimuth axis lock. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 21¶
Observer: Owen Giersch
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:59 | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands \> 7 and < 40. Analysis written to SQL @2025-07-21 13:03 UT. |
| 15:37 | 16 | 1, 4-8, 12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| NOrmal Operation. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 22¶
Observer: Owen Giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 13:00 | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands \> 7 and < 39. Analysis written to SQL @2025-07-22 13:04 UT. |
| 15:33 | 16 | 1, 4-8, 12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 23¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| Normal Operation. | ||
| 9 | Ant9 is back in operation at 16:45UT, But delays need to be set. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Observations
No Calibration.
Antenna availability: automatic assessment.
July 24¶
Observer: Owen Giersch
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:35 (Jul 25) | 60 | 1, 4-8, 11-13 | Successful Reference calibration for bands 7 to 42. Analysis written to SQL @2025-07-24 11:04 UT. |
| 23:14 | 16 | 1, 4-8, 11-13 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| The ACC was locked up this morning. Back on the calibrator at 13:52 UT, but / too late for refcal. Ant 12 had a Maths Error, reset at 13:56 UT. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 25¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| We appear to have had a normal start today. Quick interruption to get Ant 9's / coarse delay. | ||
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Observations
No Calibration.
Antenna availability: automatic assessment.
July 26¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Observations
No Calibration.
Antenna availability: automatic assessment.
July 27¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 13:03 | 59 | 4, 6-8, 11-13 | Successful Reference calibration for bands 7 to 42. Analysis written to SQL @2025-07-27 13:07 UT. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 1 | Unknown reason. |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Antenna availability: automatic assessment.
July 28¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 Drive is stuck. Reseated all of the drive control cables and this / cleared error on the controller LCD, but it is still not responding / to remote commands. Azimuth keeps reporting axis lock. | |
| 3 | Ant 3 drive is fixed, but FEM is not installed. | |
| 9 | Ant 9 FEM is not working. | |
| 10 | Ant 10 optical power is low--not good data | |
| 1 and 5 | Ants 1 and 5 were not tracking (needed a reboot to clear Az axis issue). This / was at the very end of the phasecal, so phasecal will be no good. | |
| 00:00–23:59 | 2 | Ant2 drive is stuck. |
| 00:00–23:59 | 3 | Ant3 FEM problem. |
| 00:00–23:59 | 9 | Ant9 FEM problem. |
| 00:00–23:59 | 10 | Optical power is low - not good data |
Observations
No Calibration.
Antenna availability: automatic assessment.
July 29¶
Observations
No observations between July 29th and August 3rd.
Antenna availability: automatic assessment.
July 30¶
Observations
No observations between July 29th and August 3rd.
Antenna availability: automatic assessment.
July 31¶
Observations
No observations between July 29th and August 3rd.
Antenna availability: automatic assessment.