VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BM229E
Observer:       Marscher, A.
Project type:   VLBA
Obs filename:   bm229ecrd.*
Date/Day:       2005DEC21/355
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Sonja Mendoza.                                           
           HN writing on Mk5 disk NRAO-124, bank B.                             
           FD writing on Mk5 disk NRAO-132, bank B.                             
           LA writing on Mk5 disk NRAO-154, bank B.                             
           PT writing on Mk5 disk NRAO-100, bank A.                             
           KP writing on Mk5 disk NRAO-071, bank A.                             
           MK writing on Mk5 disk NRAO-117, bank B.                             
           Vclock, GPS delta and UT1-UTC time checks all okay.                  
          %HN WEA: Snow in dish (approx. 20% of dish surface)                   
     1012  Begin observation. MK joins later.                                   
1012-2105 *BR FRM not working correctly in rotation, antenna     17390  100  653
           not fringing as a result.                                            
1012-0212 *NL BBC#8 intermittently experiencing MCB errors,      17392    2   19
           some data being lost but it's maybe a few seconds                    
           every couple of minutes. Downtime a rough estimate.                  
           Also seeing occassional LO Freq out of range in BB8                  
           along with low power levels.                                         
     1052  MK joins observation.                                                
     1213  Readbacks ok.                                                        
     1258  KP writing on Mk5 disk NRAO-064, bank B.                             
     1412  Readbacks ok.                                                        
     1447  New operator is Jim Ogle.                                            
     1459  LA reports scattered high clouds.                                    
     1524  KP reports scattered high clouds.                                    
     1558  OV reports partly cloudy skies.                                      
     1612  Readbacks okay.                                                      
     1635  MK now writing to Mk5 disc pack NRAO-083 in bank A.                  
     1716 *Raining at SC.                                                       
1731-1733 *PT focus 2nd screw fault, focus out of position.      FRM    100    2
     1811  Readbacks okay.                                                      
     1951  Readbacks okay.                                                      
     1949  MK reports clear skies.                                              
     2041  Readbacks okay.                                                      
     2100 *BR reports low overcast clouds, some fog, raining.                   
           Half an inch of snow over half the dish.                             
     2105 %BR entering observation, rotation problem has been    17390          
           fixed. There is a slight offset in the rotation                      
           positions from before but we are still within the                    
           beam.                                                                
     2106 %KP reports overcast high clouds.                                     
2112-2113 *KP autostowed, commercial power glitch? Repointed.    COM    100    1
     2211 *BR bad readbacks on tracks 6, 8, 10 and 12, drive                    
           #1. Other sites okay.                                                
     2245  Operator is Anthony Sowinski.                                        
     0000  Date is 2005DEC22/356.                                               
     0003  OV WEA: Site tech reports overcast but dry.                          
     0010  All readbacks okay.                                                  
     0212  End.                                                                 


Downtime Summary:
	Total downtime : 675 min
	Percentage downtime of observing: 7.0%
	Average downtime per hour : 4.2 min

    Total scheduled observing time (# Antennas): 9600 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.