VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BW090F
Observer:       Walker, R.C.
Project type:   VLBA
Obs filename:   bw090fcrd.*
Date/Day:       2008FEB20/051
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
     0443  Begin file                                                           
           VCLOCK check ok. SC at -0.166                                        
           UT1-UTC check ok (-0.32)                                             
           GPS delta < 10us (MK: -4.7us)                                        
           Operator: T. Perreault                                               
0443-1443 *BR not observing; 7mm warming for swap                22243  100  600
           (15K stage has been running about 35K, doesn't seem                  
           to be warming up at all...)                                          
0513-0515 *PT Formatter errors                                   21522  100    2
           Header control module 2 error                                        
           HC2 FIFO error                                                       
           Backplane 1PPS marker detected                                       
           FIFO 3 1PPS detected                                                 
           FIFO 2 1PPS detected                                                 
           FIFO 1 1PPS detected                                                 
           Cleared errors                                                       
     0621  Operator is A. Sowinski.                                             
0636-0636 *PT HC2 FIFO 0 errors.                                 21522  100    0
     1215  End at SC.                                                           
     1301  End at HN.                                                           
     1342  FD reports cloudy, high thin cirrus, dry, no                         
           precip.                                                              
     1348 %LA Formatter: Data Switch Module #2 Error, Sampler                   
           2 Clock Dropout.                                                     
           Don't know what it means.                                            
     1352 *LA Cleared the above errors (Sent #8001 to MCB                       
           address #2382).                                                      
     1424  End at NL.                                                           
     1435  New operator is Jim Ogle.                                            
     1443  End.                                                                 


Downtime Summary:
	Total downtime : 602 min
	Percentage downtime of observing: 10.0%
	Average downtime per hour : 6.0 min

    Total scheduled observing time (# Antennas): 6000 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.