2023 June - Revision history

Oweng: /* Jun23 */

2023-06-26T19:50:34Z

Jun23

← Older revision		Revision as of 19:50, 26 June 2023
Line 24:		Line 24:
	'''16:53 UT''' After inspection of the 27m Hydraulic pump, it was determined that it had failed. A replacement will be ordered. Until the pump is replaced, no calibrations can be performed.		'''16:53 UT''' After inspection of the 27m Hydraulic pump, it was determined that it had failed. A replacement will be ordered. Until the pump is replaced, no calibrations can be performed.

	== ~~Jun23~~ ==		== June 23 ==
	'''17:24 UT''' The ACC locked up. It required a restart.		'''17:24 UT''' The ACC locked up. It required a restart.

			== June 26 ==
			'''19:10 UT''' The DPP was unreachable from any other machine, and no data was being recorded. It required a complete power down and restart.

Oweng: /* June 20 */

2023-06-23T18:27:11Z

June 20

← Older revision		Revision as of 18:27, 23 June 2023
Line 23:		Line 23:
	== June 20 ==		== June 20 ==
	'''16:53 UT''' After inspection of the 27m Hydraulic pump, it was determined that it had failed. A replacement will be ordered. Until the pump is replaced, no calibrations can be performed.		'''16:53 UT''' After inspection of the 27m Hydraulic pump, it was determined that it had failed. A replacement will be ordered. Until the pump is replaced, no calibrations can be performed.

			== Jun23 ==
			'''17:24 UT''' The ACC locked up. It required a restart.

Oweng: /* June 16 */

2023-06-20T16:55:36Z

June 16

← Older revision		Revision as of 16:55, 20 June 2023
Line 20:		Line 20:
	== June 16 ==		== June 16 ==
	'''19:50 UT''' The 27m antenna would not move. There was a hydraulic fluid alarm and cable tension alarm. Mark Hodges found several blown fuses. On starting the hydraulic pump, it made a clunking sound. The antenna stowed and no calibrations will be done until it can be inspected on the 20th.		'''19:50 UT''' The 27m antenna would not move. There was a hydraulic fluid alarm and cable tension alarm. Mark Hodges found several blown fuses. On starting the hydraulic pump, it made a clunking sound. The antenna stowed and no calibrations will be done until it can be inspected on the 20th.

			== June 20 ==
			'''16:53 UT''' After inspection of the 27m Hydraulic pump, it was determined that it had failed. A replacement will be ordered. Until the pump is replaced, no calibrations can be performed.

Oweng: /* June 15 */

2023-06-17T01:03:13Z

June 15

← Older revision		Revision as of 01:03, 17 June 2023
Line 17:		Line 17:
	== June 15 ==		== June 15 ==
	'''19:30 UT''' Dynamic spectrum looked bad. ADC_plot was restarted but made no improvement.		'''19:30 UT''' Dynamic spectrum looked bad. ADC_plot was restarted but made no improvement.

			== June 16 ==
			'''19:50 UT''' The 27m antenna would not move. There was a hydraulic fluid alarm and cable tension alarm. Mark Hodges found several blown fuses. On starting the hydraulic pump, it made a clunking sound. The antenna stowed and no calibrations will be done until it can be inspected on the 20th.

Oweng: /* June 14 */

2023-06-15T21:33:55Z

June 14

← Older revision		Revision as of 21:33, 15 June 2023
Line 14:		Line 14:

	'''15:06 UT''' The data was stuck recording as phasecal even when the array was pointing at the Sun. Restarting the schedule rectified the problem. About 90 minutes of data was lost.		'''15:06 UT''' The data was stuck recording as phasecal even when the array was pointing at the Sun. Restarting the schedule rectified the problem. About 90 minutes of data was lost.

			== June 15 ==
			'''19:30 UT''' Dynamic spectrum looked bad. ADC_plot was restarted but made no improvement.

Oweng at 19:30, 14 June 2023

2023-06-14T19:30:43Z

← Older revision		Revision as of 19:30, 14 June 2023
Line 13:		Line 13:
	'''12:24 UT''' This morning I cycled power to the feanta computer and reset the brick controller. Everything is now working again, but not until 12:23 UT or so, which means this morning's reference calibration will be no good.		'''12:24 UT''' This morning I cycled power to the feanta computer and reset the brick controller. Everything is now working again, but not until 12:23 UT or so, which means this morning's reference calibration will be no good.

	~~== June 14 ==~~
	'''15:06 UT''' The data was stuck recording as phasecal even when the array was pointing at the Sun. Restarting the schedule rectified the problem. About 90 minutes of data was lost.		'''15:06 UT''' The data was stuck recording as phasecal even when the array was pointing at the Sun. Restarting the schedule rectified the problem. About 90 minutes of data was lost.

Oweng: /* June 14 */

2023-06-14T19:30:23Z

June 14

← Older revision		Revision as of 19:30, 14 June 2023
Line 12:		Line 12:
	== June 14 ==		== June 14 ==
	'''12:24 UT''' This morning I cycled power to the feanta computer and reset the brick controller. Everything is now working again, but not until 12:23 UT or so, which means this morning's reference calibration will be no good.		'''12:24 UT''' This morning I cycled power to the feanta computer and reset the brick controller. Everything is now working again, but not until 12:23 UT or so, which means this morning's reference calibration will be no good.

			== June 14 ==
			'''15:06 UT''' The data was stuck recording as phasecal even when the array was pointing at the Sun. Restarting the schedule rectified the problem. About 90 minutes of data was lost.

Dgary at 12:30, 14 June 2023

2023-06-14T12:30:53Z

← Older revision		Revision as of 12:30, 14 June 2023
Line 6:		Line 6:
	== June 08 ==		== June 08 ==
	'''17:30 UT''' Frequency Tuning had locked up. Trying to reboot did not work. The ACC VI could not be started. The Windows computer was rebooted, as was the ACC before observations were resumed. About 1 hour of observing time was lost.		'''17:30 UT''' Frequency Tuning had locked up. Trying to reboot did not work. The ACC VI could not be started. The Windows computer was rebooted, as was the ACC before observations were resumed. About 1 hour of observing time was lost.

			== June 13 ==
			'''23:00 UT''' The 27-m control system started acting up (immediate symptop was 0.0 LNA readings on the CryoRX display). The problem was traced to a bad TCP communication with the feanta computer, although all components could be pinged successfully. No evening reference calibration was possible.

			== June 14 ==
			'''12:24 UT''' This morning I cycled power to the feanta computer and reset the brick controller. Everything is now working again, but not until 12:23 UT or so, which means this morning's reference calibration will be no good.

Oweng: /* June 07 */

2023-06-08T18:20:42Z

June 07

← Older revision		Revision as of 18:20, 8 June 2023
Line 3:		Line 3:
	== June 07 ==		== June 07 ==
	'''16:00 UT''' Calibrations did not run for June 6. The LNA voltages on the 27m were all zero. I rebooted the brick, initialized the LNA and homed the receiver.		'''16:00 UT''' Calibrations did not run for June 6. The LNA voltages on the 27m were all zero. I rebooted the brick, initialized the LNA and homed the receiver.

			== June 08 ==
			'''17:30 UT''' Frequency Tuning had locked up. Trying to reboot did not work. The ACC VI could not be started. The Windows computer was rebooted, as was the ACC before observations were resumed. About 1 hour of observing time was lost.

Oweng: Created page with "[http://www.ovsa.njit.edu/wiki/index.php/Expanded_Owens_Valley_Solar_Array#Observing_Log Back to Observing Log] == June 07 == '''16:00 UT''' Calibrations did not run for June 6. The LNA voltages on the 27m were all zero. I rebooted the brick, initialized the LNA and homed the receiver."

2023-06-07T16:08:45Z

Created page with "[http://www.ovsa.njit.edu/wiki/index.php/Expanded_Owens_Valley_Solar_Array#Observing_Log Back to Observing Log] == June 07 == '''16:00 UT''' Calibrations did not run for June 6. The LNA voltages on the 27m were all zero. I rebooted the brick, initialized the LNA and homed the receiver."

New page

[http://www.ovsa.njit.edu/wiki/index.php/Expanded_Owens_Valley_Solar_Array#Observing_Log Back to Observing Log]

== June 07 ==
'''16:00 UT''' Calibrations did not run for June 6. The LNA voltages on the 27m were all zero. I rebooted the brick, initialized the LNA and homed the receiver.