VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BA068E
Observer:       Asaki, Y.
Project type:   VLBA
Obs filename:   ba068ecrd.*
Date/Day:       2004AUG11/224
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Cyrus M Reed.                                            
           VCLOCK and GPS DELTA OK.                                             
           UT1-UTC OK (-0.45).                                                  
           WEA: Cloud cover via webcam unavailable;                             
           WEA: night at all sites.                                             
           WEA: No recent precipitation at any site.                            
     0846  Begin observing. All antennas on source.                             
     1057  All readbacks OK.                                                    
1105-1109 %LA: Communications down.                                             
1135-1138 *FD FRM out of position - it is having trouble         FRM    100    3
           locking in.                                                          
1222-1307 *AOC: The ethernet switch that is used by the          NET            
           array control computer is failing, and is                            
           keeping the machine off the network. Unable to                       
           monitor any site while network is offline.                           
     1307 %AOC: Power cycled the switch for the third time                      
           and it has come back up for now, although it has                     
     1351  AOC Network problem for subnet 2.                                    
1442-1500 *KP ACU problem - low lube pressure fault.             ACU    100   18
     1546  End.                                                                 


Downtime Summary:
	Total downtime : 21 min
	Percentage downtime of observing: 0.5%
	Average downtime per hour : 0.3 min

    Total scheduled observing time (# Antennas): 4200 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.