VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: MT715 Observer: Analysts, Data Project type: TEST Obs filename: mt715crd.* Date/Day: 2007APR15/105 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 1638 Begin file VCLOCK check ok: BR at -0.702 (ping 1.74 seconds) UT1-UTC check ok (-0.08) GPS delta < 10us (NL: 8.8us) Operator: T. Perreault 1638-1809 *HN wea: snowing; elevated system temperatures WEA 63 57 will be seen at higher frequencies. Winter storm warning for region, 1" - 3" of snow expected. Will be going into avoidsnow following observation. 1638-1809 %LA 1cm RIGHT FET#1 voltage slightly out of 20198 6 5 range. RCP data will be affected. 1644-1647 *KP autostowed. Power glitch. Repointed. COM 100 3 1651 %KP wea: high winds, 55 mph wind stow warning 1713-1718 *KP autostowed due to winds. WEA 100 5 1809 End. Downtime Summary: Total downtime : 70 min Percentage downtime of observing: 7.7% Average downtime per hour : 4.6 min Total scheduled observing time (# Antennas): 910 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.