VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BB218
Observer:       Bietenholz, M.
Project type:   VLBA
Obs filename:   bb218crd.*
Date/Day:       2006JAN02/002
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK GB EB 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Anthony Sowinski.                                        
           UT1-UTC correct, gps delta and vclock okay.                          
           HN recording on NRAO-099 in bank A.                                  
           FD recording on NRAO-043 in bank A.                                  
           LA recording on NRAO-155 in bank A.                                  
           PT recording on VIPSK-15 in bank B.                                  
           KP recording on NRAO-102 in bank A.                                  
           BR recording on NRAO-158 in bank B.                                  
           MK recording on NRAO-116 in bank B.                                  
     0937  Begin at all sites except MK.                                        
     0937 *OV WEA: Heavy rain (temp just above freezing).                       
0937-1730 *BR antenna too icy to observe.                        WEA    100  473
     0942  Readbacks okay.                                                      
     0946  Begin at MK.                                                         
     1001 %NL WEA: Rain.                                                        
     1004  Readbacks okay.                                                      
1051-1730 *OV Antenna stowed after extended high El motor        WEA    100  399
           current sums.  System temperature were about 4x                      
           higher than normal so data may not have been good                    
           anyway.  OV removed from observing.                                  
     1201 %NL WEA: Rain starting.                                               
     1304  Readbacks okay.                                                      
     1441  HN recording on NRAO-039 in bank B.                                  
           LA recording on VIPSK-11 in bank B.                                  
           PT recording on VIPSK-05 in bank A.                                  
     1443  New operator is Jim Ogle.                                            
     1456 %Resetting PT formatter to clear FIFO errors;                         
           shouldn't affect Mk5 data.                                           
     1457  Readbacks at NL okay. SC just switched tape drives                   
           and hadn't written enough on the new tape to do a                    
           readback yet.                                                        
     1621  KP now writing to Mk5 disc pack VIPSK-07 in bank B.                  
     1640  Readbacks okay.                                                      
     1730  End.                                                                 


Downtime Summary:
	Total downtime : 872 min
	Percentage downtime of observing: 18.4%
	Average downtime per hour : 11.1 min

    Total scheduled observing time (# Antennas): 4730 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.