VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB041D Observer: T. Beasley Project type: VLBA Obs filename: bb041dcrd.* Date/Day: 1996FEB16/047 Ants Used: SC,HN,NL,FD,LA,PT,KP,OV,BR,MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Brent Willoughby 1604 Begin KP Wea: A few high thin clouds, warm, dry. OV Wea: 50% overcast, cool and dry LA Wea: Clear and dry BR Wea: Heavy fog, low visibility PT Wea: Dish is dry, cloudy skies. NL Wea: Clear and dry MK Wea: windy HN Wea: A dusting of snow on the dish 1604-0801 %MK 13/4 dichroic problem, sx band optimized for 15640 50 478 4cm band. 1658-1700 *OV tape a little shorter than the rest. 1858 HN Wea: Started to snow, expect 4-6" 1904 HN Wea: Site tech reports dusting of up to 1" of snow on dish 1944 %MK Rebooted site computer SW 1604-1600 %PT Poor readback results on Rec. #1, tracks REC 5 71 27, and 31 2020 %HN Rebooted site computer SW 2045 New operator is Jim Ogle. 2152 KP reports clear skies. 2230 %Dumping snow at HN during setup scan. 2332 %MK tape footage counter reset to match value on takeup reel to clear a negative footage reading. 2357 OV reports high thin clouds. 0000 Date is 1996FEB17/048. 0038 BR reports clear skies, clouds to the south. 0100 %Dumping snow at HN. 0430 %Dumping snow at HN. 0445 Greg Monk operating. 0648-0650 *FD AZ #1 armature over current. AELEC 100 2 0702 %Dumping snow at HN. 0800 MK still very windy. 0843-0858 *HN formatter errors, all communications were 15763 100 15 also down at this time, so don't know exactly when problem cleared itself. 0858-1600 &HN sensaphone called, power is off, building fire 15763 100 422 alarm, building UPS failure. 0900 &HN called Tom's home, no answer, so paged him, then called Doug. 0905 &Doug on his way to HN antenna. 0902-0909 *SC auto-stowed. AELEC 100 7 0909 &Tom at HN answered pager, also will be checking on things. 1030 Doug called back in, fire alarm set off by smoke from one of the racks. 1040-1042 *NL tape lost vacuum, drive #1. 15762 100 2 1054 Communications back up now at HN, errors galore. 1100 Doug checked back in, a 5 volt power supply in the 15763 0 0 D-rack is bad, cannot be repaired, seems to be probl that first occured at 0843 UT. 1245 New operator is Brent Willoughby 1515-1516 *FD Az #1 overcurrent AELEC 100 1 1530 BR Wea: light rain 1600 End Notes: * = Entries where data was affected. % = Entries where data may have been affected. & = Entries where the site tech was called out. wea = Weather entries: MF# = Maintenance form or major downtime category associated with a problem. %AD = The percentage of an antenna affected by a problem. AMD = Total antenna-minutes downtime for a problem. Tsys = TP/SP x Tcal/2