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2024 May

Daily observation notes published from the eovsadata canonical log.

May 01

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
-- -- -- Unsuccessful Reference calibration. Installing the new ACC.
-- -- -- Unsuccessful Phase calibration. Installing the new ACC.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
WINDSCRAM this morning--very high winds / Testing new ACC and installing updates on computers. / New ACC came online @ 21:20 UT. Please note any problems.

Antenna availability: automatic assessment.

May 02

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:33 79 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<13). Analysis written to SQL @2024-05-02 12:58.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
23:14 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
Fixed problem with ACC configuration. Today's start looks flawless!

Events

1 M-class and 3 C-class flares observed by EOVSA at 17:00, 18:14, 18:57 and 20:55 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 03

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:32 79 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<25). Analysis written to SQL @2024-05-03 12:57.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:53 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
23:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
Special polarization calibration done 22:25 - 23:00 UT (missed a M1.2 flare)

Events

2 M-class and 2 C-class flares observed by EOVSA at 00:14, 16:10, 18:52 and 23:37 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 04

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
12:31 79 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<14). Analysis written to SQL @2024-05-04 12:56.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
high wind speed after 20UT
ant4 had AZ permit ~00UT / windscram during the night lo-calibration, resumed tracking ant14 when the / wind speed fluctuated between 5-10 for about 10min

Events

4 M-class and 6 C-class flares observed by EOVSA at 00:32, 16:00, 17:15, 17:48, 18:18, 19:17, 20:38, 21:49, 23:05 and 23:47 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 05

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
-- -- -- Unsuccessful Reference calibration. Due to high winds.
-- -- -- Unsuccessful Phase calibration. Due to high winds.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
windscram ~13UT & the night cal before 05/06 2:25 UT

Events

4 M-class and 6 C-class flares observed by EOVSA at 00:07, 00:39, 01:06, 01:23, 14:14, 16:36, 17:43, 18:03, 20:19 and 22:28 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 06

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
01:54 (May-07) 80 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<16). Analysis written to SQL @2024-05-06 14:00.
19:41 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
23:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
00:00–23:59 7 It has no VPOL power probably due to a failed optical link
00:00–23:59 10 It has no VPOL power probably due to a failed optical link

Events

3 M-class and 10 C-class flares observed by EOVSA at 00:33, 01:05, 16:31, 17:07, 17:35, 18:11, 18:21, 18:55, 19:25, 20:07, 21:15, 21:46 and 22:20 UT. See dynamic spectra at this link.

Observations

Imported source block (date does not match record 2024-05-06)

Tohban notes for Monday, May 05:

Ant 4 FE Temp is sometimes out of range--no solution yet.
Ant 5 has low VPOL power probably due to DCM issue
Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.
Ant 10 has no VPOL power probably due to a failed optical link.
Ant 10 FE Temp reporting bad temperature due to failed sensor.

Report problems here:

Antenna availability: automatic assessment.

May 07

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
12:28 79 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<18). Analysis written to SQL @2024-05-07 12:53.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:37 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.

Events

8 M-class and 5 C-class flares observed by EOVSA at 00:13, 00:55, 16:29, 16:54, 17:35, 18:12, 19:11, 19:59, 20:21, 20:51, 21:19, 22:28 and 23:05 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 08

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
-- -- -- Unsuccessful Reference calibration. Due to high winds in the morning and network problems in the evening.
-- -- -- Unsuccessful Phase calibration. Due to high winds in the morning and network problems in the evening.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
14 ant 14 windscram at 12:40 UT
ant4 axis lock 15:00 UT / 19:30UT Network proble caused by the DHCP server. Caltech staff rebooted / the server. Also had to reboot all of the antenna controllers. / I have been unable to get ant 5-11, 13 working. I will look at them / tomorrow

Events

1 X-class, 1 M-class and 3 C-class flares observed by EOVSA at 01:38, 14:45, 16:41, 17:29 and 17:50 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 09

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
01:56 (May-10) 80 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<13). Analysis written to SQL @2024-05-09 14:00.
20:23 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
23:14 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM removed @1500 UT.; It has no VPOL power probably due to a failed optical link
10 Ant 10 FE Temp reporting bad temperature due to failed sensor.
9, 11 Ants 9, 11, and 13 did not respond to commands. Power cycled their crios.
Ants 9 and 13 are now working. Ant 11 is on a hard limit. Ant 11 back on / the Sun around 2100 UT.
00:00–22:00 11 Ant 11 had stuck declination limit switch

Events

1 X-class, 2 M-class and 2 C-class flares observed by EOVSA at 16:31, 17:32, 19:17, 21:54 and 23:47 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 10

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
12:26 79 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<11). Analysis written to SQL @2024-05-10 12:51.
15:14 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
23:14 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link

Events

10 M-class and 8 C-class flares observed by EOVSA at 00:12, 00:36, 00:51, 01:47, 14:03, 14:20, 15:48, 16:35, 16:46, 18:20, 18:50, 19:24, 19:41, 20:05, 21:06, 22:14, 22:55 and 23:44 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 11

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
01:58 (May-12) 80 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<23). Analysis written to SQL @2024-05-11 14:00.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
20:15 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
23:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
00:00–23:59 7 It has no VPOL power probably due to a failed optical link
00:00–23:59 10 It has no VPOL power probably due to a failed optical link

Events

1 X-class, 4 M-class and 2 C-class flares observed by EOVSA at 01:17, 15:04, 16:04, 16:35, 20:38, 21:02 and 21:55 UT. See dynamic spectra at this link.

Observations

Imported source block (date does not match record 2024-05-11)

Tohban notes for Friday, May 10:

Ant 4 FE Temp is sometimes out of range--no solution yet.
Ant 5 has low VPOL power probably due to DCM issue
Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.
Ant 10 has no VPOL power probably due to a failed optical link.
Ant 10 FEM in the lab.

Report problems here:

Antenna availability: automatic assessment.

May 12

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
01:59 (May-13) 80 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<14). Analysis written to SQL @2024-05-12 14:00.
01:23 (May-13) 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
Some tests were done today, so there were a few interruptions of regular / observations.

Events

1 X-class, 4 M-class and 2 C-class flares observed by EOVSA at 00:23, 13:51, 14:02, 14:18, 14:30, 16:19 and 20:40 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 13

Observer: Caius Selhorst

Solar activity: Solar activity is high.

Calibrations

Start (UT) Duration (min) Antennas Details
12:24 79 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<13). Analysis written to SQL @2024-05-13 12:49.
15:14 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
20:11 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
We are working on the LO distribution system, so no observations after 0 UT.

Events

3 M-class and 2 C-class flares observed by EOVSA at 01:08, 14:13, 16:29, 18:40 and 21:55 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 14

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
01:56 (May-15) 80 1-7, 9, 11-13 Successful Reference calibration. Ant7 (Bands<23). Analysis written to SQL @2024-05-14 13:00.
01:11 (May-15) 16 1-7, 9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
8 Ant 8 FEM in the lab.
We completed work on the LO distribution system around 16 UT, just in time / for a huge X8.7 flare! / Some other short interruptions.
8 Ant 8 FEM brought into the lab around 21:20 UT
21:20–23:59 8 FEM tests in the lab

Events

1 X-class and 2 M-class flares observed by EOVSA at 16:47, 17:31 and 18:06 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 15

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:22 (May-16) 60 1-9, 11-13 Successful Reference calibration (Only high frequencies). Ant7 (Bands<23). Analysis written to SQL @2024-05-15 13:00.
-- -- -- Unsuccessful Phase calibration. Unknow reason.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
8 Ant 8 FEM in the lab.
15:00 UT new antennas were all pointing due north at the horizon. With an / ACC restart, the antennas were able to be controlled. CRIO1 locked up. Ant14 / had a math error.
17:05 UT Returned ant8 to service.

Events

1 C-class flare observed by EOVSA at 20:36 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 16

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:02 (May-17) 60 1-9, 11-13 Successful Reference calibration. Ant7 (Bands<24). Analysis written to SQL @2024-05-16 13:00.
01:07 (May-17) 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:55 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
14 Ant 14 receiver was not in high-select for this morning's refcal, so data are / no good.

Events

2 C-class flares observed by EOVSA at 00:58 and 20:33 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 17

Observer: Owen Giersch

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:20 78 1-6, 8-9, 11-13 Successful Reference calibration. Only up to band 30. Analysis written to SQL @2024-05-17 12:20.
15:14 16 1-9, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
01:03 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
00:00–23:59 7 It has no VPOL power probably due to a failed optical link
00:00–23:59 10 It has no VPOL power probably due to a failed optical link

Events

1 M-class and 2 C-class flares observed by EOVSA at 20:14, 21:20 and 23:28 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 18

Observer: Owen Giersch

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:24 (May 19) 79 1-6, 8-9, 11-12 Successful Reference calibration. Only up to band 41. Analysis written to SQL @2024-05-18 11:00.
12:41 59 1-9, 8-9, 11-12 Successful Phase calibration. Analysis written to SQL.
15:14 16 1-6, 8-9, 11-12 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-12 Successful Phase calibration. Analysis written to SQL.
00:59 (May 19) 16 1-6, 8-9, 11-12 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
Interrupted obseriving at 15:30 UT to test LO.
15:30–16:00 10 Observing stopped to test LO.

Events

2 C-class flares observed by EOVSA at 19:13 and 20:15 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 19

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:25 (May 20) 80 1-9, 11-13 Successful Reference calibration. Only up to band 40. Analysis written to SQL @2024-05-19 11:00.
15:14 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link

Events

2 M-class flares observed by EOVSA at 17:55 and 21:59 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 20

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:19 88 1-9, 11-13 Successful Reference calibration. Analysis written to SQL @2024-05-20 12:44.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
Stopped schedule to delay start on Sun by 10 min. The Sun is being blocked / by Black Mt. in the mornings, which throws off the flare detection. Will / start it manually at 13:48 UT. / Stopped schedule to performs test on the LO @ 16:47UT. / Resumed observing @ 16:55 UT

Antenna availability: automatic assessment.

May 21

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:18 88 1-6, 8-9, 11-13 Successful Reference calibration. Analysis written to SQL @2024-05-20 12:43.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
00:47 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link
Resetting LO power today before observations begin. This is an involved / process that may take some time. --Done with reset. Normal operations start / at the nominal time (12:14 UT).

Events

1 M-class flare observed by EOVSA at 19:28 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 22

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
-- -- -- Unsuccessful Reference calibration. Unknown reasons.
-- -- -- Unsuccessful Phase calibration. Unknown reasons.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.
Putting back the 20 dB attenuator into LO chain and resetting levels @17:30 UT. / All settings reset as of 18:25 UT. Everything back to normal. / 19:40UT Ant14 had a 24V overload fault. Fixed be rebooting the antenna / controller.
12 Ant12 CRIO locked up and restarted in safemode. Rebooted the CRIO. / Brief interruption of schedule at 21:10 UT to restart with new trajectory code.

Events

1 M-class and 1 C-class flares observed by EOVSA at 14:00 and 18:44 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 23

Observer: Owen Giersch

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:17 78 1-6, 8-9, 11-13 Successful Reference calibration for bands < 32. Analysis written to SQL @2024-05-23 12:42.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
00:39 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.

Events

2 C-class flares observed by EOVSA at 01:48 and 21:22 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 24

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:28 (May 25) 60 1-6, 8-9, 11-13 Successful Reference calibration for bands \> 7 and < 40. Analysis written to SQL @2024-05-24 11:00.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
00:00–23:59 7 It has no VPOL power probably due to a failed optical link
00:00–23:59 10 It has no VPOL power probably due to a failed optical link. FEM is in the Lab.

Events

1 C-class flare observed by EOVSA at 13:53 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 25

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:08 (May 26) 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 40. Analysis written to SQL @2024-05-25 11:00.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
00:32 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.

Events

1 C-class flare observed by EOVSA at 17:12 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 26

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:08 (May 27) 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 40. Analysis written to SQL @2024-05-26 11:00.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.
12 Ant 12 Communications Failure. Restored at 15:45 UT

Events

3 C-class flares observed by EOVSA at 16:04, 16:38 and 17:23 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 27

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:09 (May 28) 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 40. Analysis written to SQL @2024-05-27 11:00.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.

Events

5 C-class flares observed by EOVSA at 13:57, 17:51, 19:15, 23:40 and 23:57 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 28

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
12:25 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 31. Analysis written to SQL @2024-05-28 12:51.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
02:31 (May 29) 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.

Events

4 C-class flares observed by EOVSA at 01:11, 01:30, 21:23 and 23:55 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 29

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:10 (May 30) 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 34. Analysis written to SQL @2024-05-29 11:00.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
00:16 (May 30) 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.
12 Ant 12 has error on power and attenuation. Power cycled FEM @ 15:02 UT.
Ant 9 has error on power (21:08 UT). ran pcycle fem. Ant9 FEM finally got its / network connection back.

Events

1 X-class, 3 M-class and 1 C-class flares observed by EOVSA at 01:06, 14:23, 18:28, 18:41 and 22:42 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 30

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:11 (May 31) 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 39. Analysis written to SQL @2024-05-30 11:00.
15:14 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.
12 ant 12 power and attenuation error 20:58 / Added the REWIND command at the end of the day, so schedule should reset itself. / Not tested...
03:49 UT REWIND command worked, schedule was reset

Events

1 C-class flare observed by EOVSA at 18:43 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.

May 31

Observer: Caius Selhorst

Solar activity: Solar activity is moderate.

Calibrations

Start (UT) Duration (min) Antennas Details
02:31 (Jun 01) 79 1-6, 8-9, 11-13 Successful Reference calibration for bands < 35. Analysis written to SQL @2024-05-31 11:00.
12:45 59 1-6, 8-9, 11-12 Successful Phase calibration. Analysis written to SQL.
15:14 16 1-6, 8-9, 11-12 Successful Phase calibration. Analysis written to SQL.
19:54 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.
00:08 (Jun 01) 16 1-6, 8-9, 11-13 Successful Phase calibration. Analysis written to SQL.

Issues and outages

Time (UT) Antennas Details
4 Ant 4 FE Temp is sometimes out of range--no solution yet.
5 Ant 5 has low VPOL power probably due to DCM issue
00:00–23:59 7 Ant 7 has no VPOL power probably due to a failed optical link. HPOL also down.; It has no VPOL power probably due to a failed optical link
00:00–23:59 10 Ant 10 has no VPOL power probably due to a failed optical link.; Ant 10 FEM in the lab.; It has no VPOL power probably due to a failed optical link. FEM is in the Lab.
13 ant 13 Communication problems. Restart CRIO. Back to work at 16:20 UT
13 Ant13 FEM lost communications. Had to reboot via viking webpage
14:00–18:00 13 FEM lost internet connection. Cycled the Power.

Events

1 X-class and 4 C-class flares observed by EOVSA at 16:10, 17:20, 18:58, 20:23 and 22:01 UT. See dynamic spectra at this link.

Antenna availability: automatic assessment.