VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BH128
Observer:       Hough, D.
Project type:   VLBA
Obs filename:   bh128crd.*
Date/Day:       2004DEC23/358
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK Y GB EB

=UT-Time===Comment===============================================MF#===%AD==AMD=
2115-2119  Begin observations - not on source                    HUERR  100    4
     2115  Disc recording at:                                                   
           PT - NRAO-052 Band A                                                 
           LA - NRAO-050 Bank A                                                 
           KP - NRAP-057 Bank A                                                 
     2115  Timing check - clocks OK                                             
     2115 %HN tsys about 1.5x higher than expected                              
           Site tech reports rain.                                              
     2137  WEA: LA clear, with snow.                                            
     2138  All readbacks OK.                                                    
     2143  WEA: snow PT.                                                        
     2143  Operator is Brian Willard.                                           
     2159  MK on source.                                                        
     2202  All readbacks OK.                                                    
     2212  All readbacks OK.                                                    
     2245  WEA: continued rain HN.                                              
     2254  All readbacks OK.                                                    
     2319  All readbacks OK.                                                    
     2344  All readbacks OK.                                                    
     2349  WEA: continued rain HN.                                              
     0000  Date is 2004DEC24/359.                                               
     0022  All readbacks OK.                                                    
     0047 %SC: bad readback track 6, drive 1.                                   
           All other readbacks OK.                                              
     0056  WEA: continued rain HN.                                              
     0057  WEA: occasional high winds KP.                                       
     0112  All readbacks OK.                                                    
     0133  All readbacks OK.                                                    
     0144  WEA: continued rain HN.                                              
     0147  All readbacks OK.                                                    
0214-0403 *HN: commercial power loss. Repointed.                 COMM   100  109
     0220  All readbacks OK.                                                    
     0237  Readbacks at MK, all OK.                                             
     0245  All readbacks OK.                                                    
     0318  All readbacks OK.                                                    
     0350  All readbacks OK.                                                    
     0420  All readbacks OK.                                                    
     0433  End.                                                                 


Downtime Summary:
	Total downtime : 113 min
	Percentage downtime of observing: 2.3%
	Average downtime per hour : 1.4 min

    Total scheduled observing time (# Antennas): 4818 min (11)

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.