2023 June: Difference between revisions
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== 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. | |||
Revision as of 12:30, 14 June 2023
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.
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.
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.