VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: RDV49 Observer: Gordon, D. Project type: GEO Obs filename: rdv49crd.* Date/Day: 2005FEB09/040 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 1759 Begin file VCLOCK check ok. SC at -0.118 UT1-UTC check ok. (-0.53) GPS delta < 10 us LA recording Mark V bank A disc pack NRAO-040 Operator: T. Perreault 1759 %NL wea: light snow 1817-2143 PT on dial backup. Major reconfiguration of network services at the VLA for EVLA upgrade. PT Internet comm is routed through the VLA. 1829 %KP seeing elevated system temperatures at 13cm - INT suspect RFI. 1944 MK wea: overcast, light wind, no precipitation 2029 %HN site tech report major snowstorm starting tonight and continuing for up to 24 hrs. 2130 %KP wea: overcast high clouds, no precipitation 2143-2147 %PT loss of comm - router was searching for IP addresses and getting organized. 2143 Tested VLA dial backup modem. Worked fine. 2240 New operator is Paul Dyer. 0000 Date is 2005FEB10/041. 0019-0021 *KP Autostowed. No error message but probably COM 100 2 a power glitch. 0237 *SC WEA: Raining. 0252 LA is writing Mark V disc pack NRAO-024 in bank B. 0445 *HN WEA: Raining. 0630 New operator is Jim Ogle. 1305 SC reports broken, low clouds. 1333 *HN reports overcast skies, low clouds, heavy snow. 1356 %FD reports overcast skies, wet ground. 1441 Operator is Sonja Mendoza 1441 WEA: KP,PT,LA: Overcast skies, dry. 1444 WEA: NL Clear skies, dry and cold. 1444 WEA SC: Clearing, scattered clouds. 1444 WEA OV: Mostly clear, scattered clouds, dry. 1446-1450 *HN WEA: dumping snow from the dish. WEA 100 4 1521 WEA: BR: Clear skies, ground and dish have frost. 1651 %NL WEA: Precipitation starting. 1701-1703 *KP Antenna not pointed, perhaps due to COM 100 2 a power glitch. Repointed. 1737-1740 *HN WEA: Dumping snow from dish WEA 100 3 1745 %KP WEA: Site tech reports drizzle, overcast skies. 1750-1812 *HN WEA: Loss of power, site on generator, antenna COM 100 22 autostowing. 1804 SC ends observation as scheduled. 1812 End. Downtime Summary: Total downtime : 33 min Percentage downtime of observing: 0.2% Average downtime per hour : 0.1 min Total scheduled observing time (# Antennas): 14530 min (10) 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 = System Temperature (TP/SP x Tcal/2) ACU = Antenna Control Unit FRM = Focus/Rotation Mount RFI = Radio Frequency Interference VME = Site control computer CB = Circuit Breaker vclock = Program that compares site clock time to a standard.