VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BT081B
Observer:       G. Taylor
Project type:   VLBA
Obs filename:   bt081bcrd.*
Date/Day:       2005FEB12/043
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Sonja Mendoza                                            
           LA on MarkV disk pack NRAO-045, bank A.                              
           KP on MarkV disk pack NRAO-023, bank A.                              
           Vclock, GPS Delta, and UT1-UTC time checks all ok.                   
     1741  Begin observation.                                                   
     1741  WEA: OV,HN: partly cloudy skies. HN has snow in                      
           dish (approx. 30% of dish surface). Elevated system                  
           temperatures at HN.                                                  
           WEA: PT,LA,KP: overcast skies, intermittant light                    
           rain. Occassional gusty winds at KP.                                 
           WEA: NL,BR,SC Clear skies.                                           
           WEA: MK,FD: Mostly cloudy skies.                                     
     1746  Readbacks ok.                                                        
1747-0142 *HN Subreflector intermittantly drifts in              FRM      5   23
           rotation.                                                            
1814-1831 *SC subreflector will not go into position.            15359  100   17
           Problem is intermittant.                                             
     1857  OV WEA: Partly cloudy and dry.                                       
     1859  Readbacks ok.                                                        
1911-1925 *SC subreflector will not go into position.            15359  100   14
     1919  FD WEA: occasional gusty winds.                                      
     1907  Readbacks ok.                                                        
1954-2003 *SC subreflector will not go into position.            15359  100    9
2018-2055 *SC subreflector will not go into position.            15359  100   37
     2018  Readbacks ok.                                                        
     2052  BR WEA: Scattered high clouds, dry.                                  
2105-0142 *SC subreflector will not go into position.            15359   50  138
           Problem is intermittant. Downtime estimated.                         
     2129 %MK Bad readback, drive 2, track 33.                                  
           All other readbacks ok.                                              
     2234  Readbacks ok.                                                        
     2241 %NL Bad readback, drive 2, track 33.                                  
          %MK Bad readback, drive 2, track 33.                                  
           All other readbacks ok.                                              
     2258 %KP WEA: precipitation starting.                                      
     2346 %MK Bad readback, drive 2, track 33.                                  
           All other readbacks ok.                                              
     2354 %MK WEA: Overcast skies, light snow and wind.                         
     0000  Date is 2005FEB13/044.                                               
     0005 %FD WEA: wind gust > 35mph                                            
0044-0047 *PT Antenna not in point, most likely due to a         COM    100    3
           to a power glitch. Repointed.                                        
     0047 %PT WEA: precipitation starting.                                      
0104-0108 *PT Antenna not in point, most likely due to a         COM    100    4
           to a power glitch. Repointed.                                        
     0124 %PT WEA: wind gust > 35mph                                            
     0142  End.                                                                 


Downtime Summary:
	Total downtime : 245 min
	Percentage downtime of observing: 5.1%
	Average downtime per hour : 3.1 min

    Total scheduled observing time (# Antennas): 4810 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.