VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BI030B
Observer:       Imai, H.
Project type:   VLBA
Obs filename:   bi030bcrd.*
Date/Day:       2004DEC04/339
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
     1617  Begin file                                                           
           VCLOCK check ok. SC at -0.109                                        
           UT1-UTC check ok. (-0.49)                                            
           GPS delta < 10 us                                                    
           LA recording Mark 5 bank A disc VSN NRAO-024                         
           PT recording Mark 5 bank A disc VSN NRAO-061                         
           KP recording Mark 5 bank B disc VSN NRAO-062                         
           Operator: T. Perreault                                               
     1617  Site weather (via webcam)                                            
           SC, HN, OV, MK : clear                                               
           NL: partly cloudy                                                    
           FD, PT, BR: overcast                                                 
           KP : raining                                                         
     1617 %KP wea: raining, seeing elevated system                              
           temperatures                                                         
     1703  Readback check ok                                                    
     1742 %BR wea: raining, seeing elevated system                              
           temperatures                                                         
     1749  Readback check ok                                                    
     1835  Readback check ok                                                    
     1921  Readback check ok                                                    
     2007  Readback check ok                                                    
     2053  Readback check ok                                                    
     2115 %BR wea: overcast, light wet snow: 1" on ground,                      
           about 1/2" on 20% of the dish.                                       
     2139  Readback check ok                                                    
     2225  BR bad readback drive 1 track 7; all other sites ok                  
     2310  Readback check ok                                                    
     2340  BR wea: site tech reports that there is at least                     
           1" of wet snow covering the entire dish. Suggests                    
           going into snow avoidance once this file is over.                    
     2348  Contacted VLBA operations supervisor to inform                       
           about weather conditions at BR. Running snow dump                    
           at the site and then going into avoidsnow routine.                   
           Removing BR from current observing and upcoming                      
           pointing run.                                                        
2348-0218 *BR removed from observing due to current weather      WEA    100  150
           conditions: snowing, 1" of snow covering 100% of                     
           the dish. Will dump the snow and go into snow                        
           avoidance routine.                                                   
     2356  Readback check ok                                                    
     0000  Date is 2004DEC05/340.                                               
     0007  Readback check ok                                                    
     0035  Readback check ok                                                    
     0042  Readback check ok                                                    
     0055  SC,HN readback check ok                                              
     0154  SC observing ends                                                    
     0218  End.                                                                 


Downtime Summary:
	Total downtime : 150 min
	Percentage downtime of observing: 2.5%
	Average downtime per hour : 1.5 min

    Total scheduled observing time (# Antennas): 6010 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.