VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BV055D
Observer:       W.H.T. Vlemmings
Project type:   VLBA
Obs filename:   bv055dcrd.*
Date/Day:       2005APR03/093
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           LA is writing Mark V disc pack NRAO-066 in bank A.                   
           PT is writing Mark V disc pack NRAO-011 in bank B.                   
           KP is writing Mark V disc pack NRAO-024 in bank B.                   
           VCLOCK, GPS Delta, and UT1-UTC check ok.                             
     2125  Begin at all stations except SC.                                     
     2136  SC Begin.                                                            
     2134 %MK Bad readback on drive 2, track 02. All others                     
           were ok.                                                             
     2145 %MK Bad readback on drive 2, track 02. All others                     
           were ok.                                                             
     2218  All readbacks ok.                                                    
     2229  All readbacks ok.                                                    
     2302  All readbacks ok.                                                    
     2313  All readbacks ok.                                                    
     2319 *OV WEA: Wind gusts > 35mph.                                          
     2346  All readbacks ok.                                                    
     2356 &MK Bad readback on drive 2, track 02. All others                     
           were ok.                                                             
2358-2359 *OV AZ #1 armature over current. I disabled            ACU    100    1
           the AZ axis for a couple seconds to clear the                        
           fault.                                                               
     0000  Date is 2005APR04/094.                                               
     0041 %MK Bad readback on drive 2, track 02. All others                     
     0030 %MK Bad readbacks on drive 2, track 02. All others                    
           were ok.                                                             
     0041 %MK Bad readback on drive 2, track 02. All others                     
           were ok.                                                             
     0114 %MK Bad readback on drive 2, track 02. All others                     
           were ok.                                                             
     0125 %FD Bad readback on drive 1, track 04. All others                     
           were ok.                                                             
     0146  New operator is Jim Ogle.                                            
     0147 %Raining at BR.                                                       
     0158  Readbacks okay.                                                      
     0209  Readbacks okay.                                                      
     0242  Readbacks okay.                                                      
0243-0250 *PT not on source, antenna is oscillating around the   ACU    100    7
           commanded EL position. Stopped on its own and got                    
           on source.                                                           
     0253  Readbacks okay.                                                      
2125-0326 *LA All data is flagged bad due to a Mark V                           
           software glitch. Data is actually ok.                                
     0326  End.                                                                 


Downtime Summary:
	Total downtime : 8 min
	Percentage downtime of observing: 0.2%
	Average downtime per hour : 0.1 min

    Total scheduled observing time (# Antennas): 3610 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.