VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BR099B
Observer:       Ros, E.
Project type:   VLBA
Obs filename:   br099bcrd.*
Date/Day:       2005APR22/112
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Sonja Mendoza.                                           
           Vclock, GPS delta and UT1-UTC time checks ok.                        
           LA writing on MkV disk pack NRAO-061, bank B.                        
           PT writing on MkV disk pack NRAO-020, bank A.                        
           KP writing on MkV disk pack NRAO-028, bank B.                        
     1659  Begin observation.                                                   
     1659 *SC Antenna undergoing major maintenance overhaul                     
           and is unavailable for observing at this time.                       
1659-2254 *BR recorder 1 accidentally miscabled to board         16021  100  355
           set two. Data recorded on tape VLBA1240 on                           
           recorder 1 are no good.                                              
     1710  Readbacks ok.                                                        
     1720  WEA: HN,LA,OV,PT,FD,BR,MK,KP: Mostly clear with                      
           high, thin clouds. Occasionally gusty winds at MK,FD                 
           WEA: NL: Overcast skies, recent rain.                                
     1728  Readbacks ok.                                                        
     1745  Readbacks ok (no readback at NL).                                    
     1803  Readbacks ok.                                                        
1809-1812 *PT Antenna not in POINT; repointed.                   COM    100    3
     1820  Readbacks ok (no readback at FD).                                    
     1838  Readbacks ok.                                                        
1844-1849 *KP Antenna not in POINT; repointed.                   COM    100    5
           Site took a power hit.                                               
     1849 %OV WEA: gusty winds at site.                                         
     1850 %NL WEA: precipitation starting.                                      
     1855  Readbacks ok.                                                        
     1912  Readbacks ok.                                                        
     1930  Readbacks ok.                                                        
     1947  Readbacks ok.                                                        
     2012  PT writing on MkV disk pack NRAO-021, bank B.                        
     2031  PT writing on MkV disk pack NRAO-035, bank A.                        
           Note to correlator operator: due to a small snafu,                   
           only a small amount of data was written to NRAO-021                  
           before the unit switched back to bank A (NRAO-035).                  
           No data should have been lost.                                       
     2022  Readbacks ok.                                                        
     2040  Readbacks ok.                                                        
     2057  Readbacks ok.                                                        
     2123  KP writing on MkV disk pack NRAO-062.                                
     2140  LA writing on MkV disk pack NRAO-055.                                
     2149  Readback check ok                                                    
     2150  New operator: T. Perreault                                           
     2208  Readback check ok                                                    
     2224  Readback check ok                                                    
     2254  End.                                                                 


Downtime Summary:
	Total downtime : 363 min
	Percentage downtime of observing: 10.2%
	Average downtime per hour : 6.1 min

    Total scheduled observing time (# Antennas): 3550 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.