VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BB240M
Observer:       Bower, G.
Project type:   VLBA
Obs filename:   bb240mcrd.*
Date/Day:       2008JAN07/007
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK GB 

=UT-Time===Comment===============================================MF#===%AD==AMD=
     1915  Begin file                                                           
           VCLOCK check ok. BR at 0.165                                         
           UT1-UTC check ok (-0.28)                                             
           GPS delta < 10us (FD: -5.6us)                                        
           Operator: T. Perreault                                               
1915-0315 *SC not observing. Subreflector FOCUS brake is         21989  100  480
           locked, unable to move subreflector. Removed from                    
           observation.                                                         
1915-0030 %PT 4cm system temperatures are higher than            22012  100  315
           nominal. Suspect problem with 4cm front end system.                  
     1915  Site weather:                                                        
           NL, FD, MK: partly cloudy                                            
           LA, PT, KP: overcast, active precipitation                           
           (rain/snow)                                                          
           HN, OV, BR: clear                                                    
     2127  KP wea: fog, light rain, wet                                         
     2134  MK joins                                                             
     2202 %PT formatter errors / glitch                                         
           Sampler 2 clock dropout                                              
           Data Switch module 1 error                                           
           Errors cleared on their own.                                         
     2250  New operator is Betty Ragan.                                         
     2256  MK reports clear weather.                                            
     2351  OV reports party cloudy, dry.                                        
     0000  Date is 2008JAN08/008.                                               
0126-0128 *OV focus drive fault and focus 2nd screw              FRM    100    2
           fault errors.                                                        
     0315  End.                                                                 


Downtime Summary:
	Total downtime : 797 min
	Percentage downtime of observing: 16.6%
	Average downtime per hour : 10.0 min

    Total scheduled observing time (# Antennas): 4800 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.