----------------------------------------------------------------------------- Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Mon Dec 17 17:15:50 GMT 2001 Year: 01 Doy: 351 Observer: yasukawa WEATHER COMMENT: Mon Dec 17 17:16:03 GMT 2001 Cool, in broken altocumulus overcast, south wind. Mon Dec 17 17:24:18 GMT 2001 CHIP Start Patrol Mon Dec 17 17:24:42 GMT 2001 PICS Start Patrol Mon Dec 17 17:25:18 GMT 2001 MKIV Start Patrol Mon Dec 17 18:02:21 GMT 2001 CHIP LSD Mon Dec 17 18:02:41 GMT 2001 PICS Flat Mon Dec 17 18:04:32 GMT 2001 CHIP End LSD Mon Dec 17 18:04:46 GMT 2001 CHIP BiasLSD Mon Dec 17 18:05:46 GMT 2001 CHIP End BiasLSD Mon Dec 17 18:05:47 GMT 2001 PICS End Flat Mon Dec 17 18:06:03 GMT 2001 CHIP Bias Mon Dec 17 18:06:57 GMT 2001 CHIP End Bias WEATHER COMMENT: Mon Dec 17 18:12:53 GMT 2001 Altocumulus was real thick. Lost guiding. Repointed and reset guider. WEATHER COMMENT: Mon Dec 17 18:20:17 GMT 2001 Clear hole. **PSPT PROBLEM**: Mon Dec 17 18:21:00 GMT 2001 Deciding not to start PSPT at this time. Broken clouds will cause loss of guiding and corruption of the ephemeris. **GONG PROBLEM**: Mon Dec 17 18:26:41 GMT 2001 Going down to GONG to look into waveplate/power problem. Mon Dec 17 19:00:20 GMT 2001 CHIP LSD Mon Dec 17 19:02:32 GMT 2001 CHIP End LSD Mon Dec 17 19:02:42 GMT 2001 CHIP BiasLSD Mon Dec 17 19:03:27 GMT 2001 CHIP End BiasLSD Mon Dec 17 19:03:39 GMT 2001 CHIP Bias Mon Dec 17 19:04:26 GMT 2001 CHIP End Bias Mon Dec 17 20:00:19 GMT 2001 CHIP LSD Mon Dec 17 20:02:37 GMT 2001 CHIP End LSD Mon Dec 17 20:02:53 GMT 2001 CHIP BiasLSD Mon Dec 17 20:03:40 GMT 2001 CHIP End BiasLSD Mon Dec 17 20:03:50 GMT 2001 CHIP Bias Mon Dec 17 20:04:45 GMT 2001 CHIP End Bias GONG COMMENT: Mon Dec 17 20:34:42 GMT 2001 Back from GONG. Found both waveplate aqmplifiers and the circuit breaker to the power supply rack broken. GONG is down until we troubleshoot and repair the problem. **MLSO PROBLEM**: Mon Dec 17 20:37:07 GMT 2001 Guider was not pointed when I returned from GONG. Repointed and reset guider. **MKIV PROBLEM**: Mon Dec 17 20:37:49 GMT 2001 Barrel rotation was screwed up. Barrel angle indication is showing 888.88 and I am getting t-drive barrel glitch messages on akamai window. Checking things out. Mon Dec 17 20:44:40 GMT 2001 MKIV Start Patrol **MKIV PROBLEM**: Mon Dec 17 20:46:35 GMT 2001 Barrel drive and status modules are dark even after KCC reboot. Mon Dec 17 21:01:10 GMT 2001 CHIP LSD Mon Dec 17 21:03:22 GMT 2001 CHIP End LSD Mon Dec 17 21:03:31 GMT 2001 CHIP BiasLSD Mon Dec 17 21:04:13 GMT 2001 CHIP End BiasLSD Mon Dec 17 21:04:21 GMT 2001 CHIP Bias Mon Dec 17 21:05:05 GMT 2001 CHIP End Bias **MKIV PROBLEM**: Mon Dec 17 21:06:32 GMT 2001 Tried cycling KCC power(main switch for computer and modules). Barrel still dead. **CHIP PROBLEM**: Mon Dec 17 21:23:36 GMT 2001 CHIP image was displaced. Moved it with controller. Mon Dec 17 21:28:16 GMT 2001 CHIP End Patrol **MKIV PROBLEM**: Mon Dec 17 21:28:23 GMT 2001 Initial indication is barrel encoder does not know where the barrel is. Barrel angle on akamai control panel switching between -224.98, -180.02, and intermittently other variable angles. Mon Dec 17 21:35:56 GMT 2001 CHIP Start Patrol Mon Dec 17 22:02:04 GMT 2001 CHIP LSD Mon Dec 17 22:04:14 GMT 2001 CHIP End LSD Mon Dec 17 22:04:22 GMT 2001 CHIP BiasLSD Mon Dec 17 22:05:05 GMT 2001 CHIP End BiasLSD Mon Dec 17 22:05:13 GMT 2001 CHIP Bias Mon Dec 17 22:06:00 GMT 2001 CHIP End Bias Mon Dec 17 23:01:58 GMT 2001 CHIP LSD Mon Dec 17 23:04:15 GMT 2001 CHIP End LSD Mon Dec 17 23:04:24 GMT 2001 CHIP BiasLSD Mon Dec 17 23:05:06 GMT 2001 CHIP End BiasLSD Mon Dec 17 23:05:14 GMT 2001 CHIP Bias Mon Dec 17 23:05:56 GMT 2001 CHIP End Bias **MKIV PROBLEM**: Mon Dec 17 22:31:31 GMT 2001 Semiconductor Circuits, Inc. regulated power supply is measuring +15V, -15V, and +3.95V at the output. The 3.95 sould be a 5V output. This power supply is on the panel in back of the KCC rack and supplies power to the Vernitech synchro/digital hybrid converter. There is a spare converter but no spare power supply module. Replacing either or both modules will be a nightmare due to the way they the assembly was constructed. **MKIV PROBLEM**: Mon Dec 17 23:52:37 GMT 2001 Checked modulator. waveplate is running and 1/rot and 64/rot signals can be seen all the way to the transformation board. Tue Dec 18 00:02:03 GMT 2001 CHIP LSD Tue Dec 18 00:04:13 GMT 2001 CHIP End LSD Tue Dec 18 00:04:19 GMT 2001 CHIP BiasLSD Tue Dec 18 00:05:00 GMT 2001 CHIP End BiasLSD Tue Dec 18 00:05:06 GMT 2001 CHIP Bias Tue Dec 18 00:05:45 GMT 2001 CHIP End Bias **MKIV PROBLEM**: Tue Dec 18 00:07:45 GMT 2001 Not sure whether this is a change or whether I wasn't paying close attention at first but I can now move the barrel with the KCC monitor buttons and the drive and status leds are indicating request/drive directions correctly and the status leds correctly indicate the limits when reached. Problem still remains the barrel angle indication on both KCC control panel and on the OCP display. Tue Dec 18 00:13:56 GMT 2001 CHIP End Patrol Tue Dec 18 00:28:11 GMT 2001 MkIV 17_25.rawmk4 17_43.rawmk4 18_00.rawmk4 18_18.rawmk4 18_36.rawmk4 17_28.rawmk4 17_46.rawmk4 18_03.rawmk4 18_21.rawmk4 18_39.rawmk4 17_31.rawmk4 17_49.rawmk4 18_06.rawmk4 18_24.rawmk4 18_42.rawmk4 17_34.rawmk4 17_51.rawmk4 18_09.rawmk4 18_27.rawmk4 18_45.rawmk4 17_37.rawmk4 17_54.rawmk4 18_12.rawmk4 18_30.rawmk4 18_47.rawmk4 17_40.rawmk4 17_57.rawmk4 18_15.rawmk4 18_33.rawmk4