VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BC146B
Observer:       F. Colomer
Project type:   VLBA
Obs filename:   bc146bcrd.*
Date/Day:       2005JAN22/022
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLOCK, GPS Delta, and UT1-UTC check ok.                             
     1703  Begin at all sites.                                                  
     1703  LA is writing Mark V disc pack NRAO-026 in bank A.                   
1703-1739 *HN Stowed. Site tech checking on low temps in         VAC    100   36
           vertex room and ped room.                                            
     1711 *MK WEA: Wind gusts > 35mph.                                          
     1715 %HN Bad readbacks on drive 1, tracks 20,30, and 32.                   
     1715 %MK Bad readback on drive 2, track 32. All other                      
           sites were ok.                                                       
     1735  WEA: Web cams show cloudy skies at HN and BR. All                    
           other sites are clear to partly cloudy.                              
1936-1939 *SC AZ #2 armature overcurrent.                        ACU    100    3
     1935 *HN  Bad readbacks on drive 2, tracks 20,30, and 32.                  
          %MK bad readback on drive 2, track 32. All other                      
           sites ok.                                                            
     1949 *HN Bad readbacks on drive 2, tracks 31 and 33. All                   
           other sites were ok.                                                 
     2024  All readbacks ok.                                                    
     2037 %HN Bad readback on drive 1, tracks 31 and 33. All                    
           other sites were ok.                                                 
     2112  All readbacks ok.                                                    
     2124 *HN WEA: Snowing.                                                     
     2124 %HN Bad readback on drive 1, track 19. All other                      
           sites were ok.                                                       
     2159 %HN Bad readback on drive 1, track 32. All other                      
           sites were ok.                                                       
     2213 %HN Bad readbacks on drive 1, tracks 20,28, and 30.                   
           All other sites were ok.                                             
     2237  All readbacks ok.                                                    
     2301  End.                                                                 


Downtime Summary:
	Total downtime : 39 min
	Percentage downtime of observing: 1.1%
	Average downtime per hour : 0.7 min

    Total scheduled observing time (# Antennas): 3580 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.