2026 June¶
Daily observation notes published from the eovsadata canonical log.
June 01¶
Observer: Caius Selhorst
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| On May 25th, Manlight and ROACH5 stopped at 17:30UT / ADC boards were swapped between ROACHs 5 and 6. | ||
| On May 11th, Manlight and ROACH5 stopped at 17:50UT / New delays were set by the end of the day using Ant1 as reference. | ||
| On April 15th, the 27m has a leak in the cryogenic pump / that drained all the helium. / We're waiting for parts. |
Observations
Normal startup today.
April 16 to June 5
No Calibrations between April 16th and June 5th due to problems with the 27 m (Leak in the cryogenic pump lines.)
Antenna availability: automatic assessment.
June 02¶
Observer: Caius Selhorst
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 3, 12 and 13 | Ant3, 12 and 13 got stuck in the morning. | |
| 13 | Ant13 power station isn't working. | |
| On May 25th, Manlight and ROACH5 stopped at 17:30UT / ADC boards were swapped between ROACHs 5 and 6. | ||
| On May 11th, Manlight and ROACH5 stopped at 17:50UT / New delays were set by the end of the day using Ant1 as reference. | ||
| On April 15th, the 27m has a leak in the cryogenic pump / that drained all the helium. / We're waiting for parts. |
Observations
April 16 to June 5
No Calibrations between April 16th and June 5th due to problems with the 27 m (Leak in the cryogenic pump lines.)
Antenna availability: automatic assessment.
June 03¶
Observer: Caius Selhorst
Observations
April 16 to June 5
No Calibrations between April 16th and June 5th due to problems with the 27 m (Leak in the cryogenic pump lines.)
Antenna availability: automatic assessment.
June 04¶
Observer: Caius Selhorst
Observations
April 16 to June 5
No Calibrations between April 16th and June 5th due to problems with the 27 m (Leak in the cryogenic pump lines.)
Antenna availability: automatic assessment.
June 05¶
Observer: Caius Selhorst
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| ACC manualLy turned on at 15:10UT | ||
| On May 25th, Manlight and ROACH5 stopped at 17:30UT / ADC boards were swapped between ROACHs 5 and 6. | ||
| On May 11th, Manlight and ROACH5 stopped at 17:50UT / New delays were set by the end of the day using Ant1 as reference. | ||
| On April 15th, the 27m has a leak in the cryogenic pump / that drained all the helium. / We're waiting for parts. |
Observations
April 16 to June 5
No Calibrations between April 16th and June 5th due to problems with the 27 m (Leak in the cryogenic pump lines.)
Antenna availability: automatic assessment.
June 06¶
Observer: Caius Selhorst
Configuration: ATA feed is on Ant6.
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 02:36 (Jun 7) | 60 | 1, 3-12 | Successful Reference calibration for bands 7 to 35. Analysis written to SQL @2026-06-06 13:00 UT. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 2 | Ant 2 still out with Dec controller problem.; Ant2 drive is stuck. |
| On May 25th, Manlight and ROACH5 stopped at 17:30UT / ADC boards were swapped between ROACHs 5 and 6. | ||
| On May 11th, Manlight and ROACH5 stopped at 17:50UT / New delays were set by the end of the day using Ant1 as reference. | ||
| On April 15th, the 27m has a leak in the cryogenic pump / that drained all the helium. / We're waiting for parts. | ||
| 00:00–23:59 | 13 | Ant13 solar power charger fail. |
Observations
Normal startup today.
Antenna availability: automatic assessment.
June 07¶
Observer: Caius Selhorst
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:23 | 78 | 1, 3-12 | Successful Reference calibration for bands < 40. Analysis written to SQL @2026-06-07 12:48 UT. |
| 15:14 | 16 | 1, 3-12 | Successful Phase calibration. Analysis written to SQL. |
| 19:54 | 16 | 1, 3-6, 8-12 | Successful Phase calibration. Analysis written to SQL. |
| 23:43 | 16 | 1, 3-8, 10-12 | Successful Phase calibration. Analysis written to SQL. |
| 02:36 (Jun 8) | 60 | 1, 3-6, 8, 10-12 | 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 | 13 | Ant13 solar power charger fail. |
Antenna availability: automatic assessment.
June 08¶
Observer: Caius Selhorst
Configuration: ATA feed is on Ant6.
Solar activity: Solar activity is low.
Calibrations
| Start (UT) | Duration (min) | Antennas | Details |
|---|---|---|---|
| 12:23 | 78 | 1, 3-12 | Successful Reference calibration for bands < 30. Analysis written to SQL @2026-06-08 12:48 UT. |
| 15:14 | 16 | 1, 3-12 | Successful Phase calibration. Analysis written to SQL. |
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 00:00–23:59 | 2 | Ant 2 still out with Dec controller problem.; Ant2 drive is stuck. |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| Correlator failed at about 17:40UT | ||
| 00:00–23:59 | 13 | Ant13 solar power charger fail. |
Observations
Normal startup today.
No calibrations due to the correlator problems.
Antenna availability: automatic assessment.
June 09¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| Correlator rebooted in the morning. / Observations started around 17:20 UT |
Antenna availability: automatic assessment.
June 10¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. |
Observations
Normal startup today.
Antenna availability: automatic assessment.
June 11¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. |
Observations
Normal startup today.
Antenna availability: automatic assessment.
June 12¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| The schedule didn't start correctly. / It was restarted at 15:25 UT. |
Antenna availability: automatic assessment.
June 17¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Ant11 FEM in the Lab due to LNA fail. | |
| 5 | Ant5 got stuck in AZ at 17:00UT $pcycle at 19:18UT |
Antenna availability: automatic assessment.
June 18¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed | |
| Normal startup this morning. / ACC got stuck around 14:30UT, it's rebooted at 14:40UT |
Antenna availability: automatic assessment.
June 19¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed | |
| Normal startup this morning. |
Antenna availability: automatic assessment.
June 21¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed | |
| Normal startup this morning. |
Antenna availability: automatic assessment.
June 22¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed | |
| Normal startup this morning. / Manlight and the ROACHs stopped at 17:30UT |
Antenna availability: automatic assessment.
June 23¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed | |
| Manlight and the ROACHs stopped yesterday at 17:30UT / Except of Ant12 all the delays were set before the startup today. |
Antenna availability: automatic assessment.
June 24¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed |
Observations
Normal startup today.
Antenna availability: automatic assessment.
June 25¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed |
Observations
Normal startup today.
Antenna availability: automatic assessment.
June 29¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed |
Observations
Normal startup today.
Antenna availability: automatic assessment.
June 30¶
Configuration: ATA feed is on Ant6.
Issues and outages
| Time (UT) | Antennas | Details |
|---|---|---|
| 2 | Ant 2 still out with Dec controller problem. | |
| 13 | Jun 3: Ant13 is down due to the solar power station charger having failed. / The manufacturer has been contacted to see about repair or replacement. | |
| 11 | Jun 17: Ant11 FEM LNA failed | |
| Ant3 and Ant12 didn't start in the morning. / Both were back at 14:45UT |
Antenna availability: automatic assessment.