VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BK130B
Observer:       Y.Y. Kovalev
Project type:   VLBA
Obs filename:   bk130bcrd.*
Date/Day:       2006FEB16/047
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Jim Ogle.                                                
           HN writing to NRAO-076 in bank B.                                    
           FD writing to VIPSK-04 in bank A.                                    
           LA writing to NRAO-041 in bank B.                                    
           PT writing to NRAO-123 in bank B.                                    
           KP writing to NRAO-115 in bank B.                                    
           BR writing to NRAO-134 in bank B.                                    
           MK writing to NRAO-129 in bank A.                                    
           VCLOCK and gps delta checks okay.                                    
          %Raining at SC.                                                       
          %High wind gusts at LA, PT and KP.                                    
     0803  Begin.                                                               
     0855  Readbacks okay.                                                      
     1137  Readbacks okay.                                                      
     1141  Readbacks okay.                                                      
     1319 %NL reports freezing rain, ice.                                       
     1334  FD reports clear skies.                                              
     1358  HN now writing to NRAO-158 in bank A.                                
     1406  HN reports clear skies.                                              
     1426  Readbacks okay.                                                      
     1444  Operator is Sonja Mendoza.                                           
     1455  LA WEA: Site tech reports scattered low clouds,                      
           dry.                                                                 
     1519  BR WEA: Site tech reports clear skies, dry.                          
1541-1545 %NL Site techs brought their Mk5 online,                              
           which may affect the monitor data since this site                    
           is recording on tape.                                                
1547-1648 *NL Temporarily suspending observing at NL in order    OTHER  100   61
           to check the Mk5 system.                                             
     1552  SC WEA: Site tech reports clear skies, dry.                          
     1604  OV WEA: Site tech reports clear skies, dry.                          
     1714  Readbacks ok.                                                        
     1734 %FD WEA: wind gusts > 35mph.                                          
     1806  FD writing on Mk5 disk NRAO-159, bank B.                             
     1837  KP WEA: Site tech reports scattered high clouds,                     
           dry.                                                                 
     1900  LA writing on Mk5 disk NRAO-104, bank A.                             
1944-2018 *SC Site tech needs antenna to replace bad wiring      ACU    100   34
           in antenna drive cabinet. Briefly removed from                       
           observation to check on Mark5 disk status.                           
     1956 %BR WEA: wind gusts > 35mph.                                          
     1956 %LA WEA: wind gusts : 35mph.                                          
2100-2114 *OV Suspending observing for a few minutes to check    OTHER  100   14
           on Mk5 status.                                                       
     2104  KP writing to Mk5 disk NRAO-067, bank A.                             
2129-2200 %SC Recorder tech is using drive 2, it is possible                    
           this could cause problems with data written to                       
           drive 1.                                                             
2211-2222 *FD Suspending observing for a few minutes to check    OTHER  100   11
           on Mk5 problem with bank A.                                          
     2225  New operator: T. Perreault                                           
     2341  MK wea: scattered clouds, no precipitation                           
     2343  OV wea: clear, no precipitation                                      
     0000  Date is 2006FEB17/048.                                               
     0034  Readback check ok                                                    
           All Mark5 packs that were loaded and unverified                      
           look ok.                                                             
0327-0329 *SC AZ#2 armature overcurrent error                    ACU    100    2
           Cleared by momentarily diabling the AZ axis motors.                  
     0607  Readback check ok                                                    
     0613  Readback check ok                                                    
     0643  New operator is Jim Ogle.                                            
     0807  End.                                                                 


Downtime Summary:
	Total downtime : 122 min
	Percentage downtime of observing: 0.8%
	Average downtime per hour : 0.5 min

    Total scheduled observing time (# Antennas): 14440 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.