VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BL105F
Observer:       Lobanov, A.
Project type:   VLBA
Obs filename:   bl105fcrd.*
Date/Day:       2004DEC12/347
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
     1445  Begin file                                                           
           VCLOCK check ok. SC at -0.124                                        
           UT1-UTC check ok (-0.50)                                             
           GPS delta < 10 us                                                    
           LA recording Mark 5 bank B disc pack NRAO-046                        
           PT recording Mark 5 bank B disc pack NRAO-059                        
           KP recording Mark 5 bank A disc pack NRAO-038                        
           Operator: T. Perreault                                               
     1518 %NL wea: 35+ mph wind caution; weather forecast is                    
           for sustained winds up to over 40 mph                                
     1526  Readback check ok                                                    
     1631  BR wea: high thin clouds, ground & dish frosty                       
     1633  Readback check ok                                                    
1700-1830 *SC subreflector is having problems reaching           15359   67   60
           commanded position in ROTATION - movement of the                     
           subreflector is stopping before reaching commanded                   
           position with an error of 0.4 to 0.6 counts                          
           resulting in data being flagged. This is happening                   
           predominantly at 2cm and 6cm positions (247.0 and                    
           273.8 respectively).                                                 
     1828  Readback check ok                                                    
     1908  Readback check ok                                                    
     1921 %NL wea: 55+ mph wind stow warning                                    
     1947  MK wea: clear, light wind, no precipitation                          
1944-2130 *SC subreflector out of position in ROTATION           15359   67   71
           at 6cm and 2cm positions.                                            
2102-2105 *KP autostowed. Power glitch. Repointed.               COM    100    3
     2106  OV wea: clear, no precipitation                                      
2117-2122 *NL autostowed due to wind gust. Repointed.            WEA    100    5
2136-2142 *NL autostowed due to wind gust. Repointed.            WEA    100    6
2157-2202 *NL autostowed due to wind gust. Repointed.            WEA    100    5
2201-2207 *SC subreflector out of position in ROTATION           15359   67    4
           at 6cm and 2cm positions.                                            
2217-2224 *NL autostowed due to wind gust. Repointed.            WEA    100    7
     2224  SC observing ends                                                    
     2244  End.                                                                 


Downtime Summary:
	Total downtime : 161 min
	Percentage downtime of observing: 3.4%
	Average downtime per hour : 2.0 min

    Total scheduled observing time (# Antennas): 4790 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.