VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BL104U
Observer:       Lobanov, A.
Project type:   VLBA
Obs filename:   bl104ucrd.*
Date/Day:       2004DEC05/340
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
     1643  Begin file                                                           
           VCLOCK check ok. SC at -0.130                                        
           UT1-UTC check ok (-0.49)                                             
           GPS delta < 10 us                                                    
           LA recording Mark 5 bank A disc pack NRAO-024                        
           KP recording Mark 5 bank B disc pack NRAO-062                        
           Operator: T. Perreault                                               
           Site weather (via webcam)                                            
           SC, HN, NL, FD : overcast                                            
           PT : mostly clear, light dusting of snow on ground                   
           OV : high thin overcast                                              
           KP, BR : foggy, snow on ground and in dish                           
           LA : webcam off                                                      
           MK : clear                                                           
     1643 %System temperatures elevated at LA, KP, and BR                       
           due to snow in the dishes. BR site tech                              
           reported yesterday that there was 1" of snow                         
           covering 100% of dish. BR was put into snow                          
           avoidance routine for most of the night.                             
     1657  Readback check ok                                                    
     1711  Readback check ok                                                    
     1734  Readback check ok                                                    
     1741  OV wea: clear, no precipitation                                      
1802-1807 *PT autostowed. Power glitch. Repointed.               COM    100    5
     1821  Readback check ok                                                    
     1844  FD bad readback drive 1 tracks 26,28;                                
           all other sites ok                                                   
     1907  Readback check ok                                                    
     2022  LA recording Mark 5 bank B disc pack NRAO-046                        
     2042  End.                                                                 


Downtime Summary:
	Total downtime : 5 min
	Percentage downtime of observing: 0.2%
	Average downtime per hour : 0.1 min

    Total scheduled observing time (# Antennas): 2390 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.