2024 April

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April 01

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
-- -- -- No Reference calibration; High winds.
-- -- -- No Phase calibration; High winds.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 02

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
10:15 79.3 1-9, 11-13 Reference calibration successful; Ant7 (Bands<23); written to SQL (10:19 UT).
15:54 15.7 1-6, 8-9, 11-13 Phase calibration successful; written to SQL.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 03

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
09:50 79.4 1-9, 11-13 Reference calibration successful; Ant7 (Bands<20); written to SQL (10:19 UT).
--:-- -- Unsuccessful Phase calibration; Due to high winds.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 04

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
04:13 (04/05) 59.7 1-9, 11-13 Reference calibration successful; Ant7 (Bands<20); written to SQL (14:00 UT).
--:-- -- Unsuccessful Phase calibration; Due to high winds.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 05

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
09:42 79.4 1-9, 11-13 Reference calibration successful; Ant7 (Bands<22); written to SQL (10:07 UT).
15:14 15.7 1-9, 11-13 Phase calibration successful; written to SQL.
19:54 15.7 1-9, 11-13 Phase calibration successful; written to SQL.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 06

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
09:38 79.1 1-9, 11-13 Reference calibration successful; Ant7 (Bands<27); written to SQL (10:03 UT).
19:54 15.7 1-9, 11-13 Phase calibration successful; written to SQL.
23:14 15.7 1-9, 11-13 Phase calibration successful; written to SQL.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 07

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; High solar winds.
--:-- -- -- Unsuccessful Phase calibration; High solar winds.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 08

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; High solar winds.
--:-- -- -- Unsuccessful Phase calibration; High solar winds.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 09

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; High solar winds.
--:-- -- -- Unsuccessful Phase calibration; High solar winds.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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

Solar activity is moderate.

April 10

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; 27 m off.
--:-- -- -- Unsuccessful Phase calibration; 27 m off.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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
00:00 23:59 14 Cooling system fail.

Events

Solar activity is moderate. 2 C-class flares observed by EOVSA at 16:44 and 19:45 UT. See dynamic spectra at this link.

April 11

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; 27 m off.
--:-- -- -- Unsuccessful Phase calibration; 27 m off.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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
00:00 23:59 14 Cooling system fail.

Events

Solar activity is moderate.

April 12

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; 27 m off.
--:-- -- -- Unsuccessful Phase calibration; 27 m off.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
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
00:00 23:59 14 Cooling system fail.

Events

Solar activity is moderate.

April 13

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; 27 m off.
--:-- -- -- Unsuccessful Phase calibration; 27 m off.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
00:00 23:59 7 It has no VPOL power probably due to a failed optical link
00:00 23:59 9 CRIO problems
00:00 23:59 10 It has no VPOL power probably due to a failed optical link
00:00 23:59 14 Cooling system fail.

Events

Solar activity is moderate.

April 14

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; 27 m off.
--:-- -- -- Unsuccessful Phase calibration; 27 m off.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
00:00 23:59 7 It has no VPOL power probably due to a failed optical link
00:00 23:59 9 CRIO problems
00:00 23:59 10 It has no VPOL power probably due to a failed optical link
00:00 23:59 14 Cooling system fail.

Events

Solar activity is moderate.

April 15

Observer on duty: Caius Selhorst

Calibrations

Start Time (UT) Duration (min) Antenna(s) Comments/Reasons
--:-- -- -- Unsuccessful Reference calibration; 27 m off.
--:-- -- -- Unsuccessful Phase calibration; 27 m off.

Outages

Start Time (UT) End Time (UT) Antenna(s) Comments/Reasons
00:00 23:59 7 It has no VPOL power probably due to a failed optical link
00:00 23:59 9 CRIO problems
00:00 23:59 10 It has no VPOL power probably due to a failed optical link
00:00 23:59 14 Cooling system fail.

Events

Solar activity is moderate.