VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BG169B
Observer:       Greenhill, L.
Project type:   VLBI
Obs filename:   bg169bcrd.*
Date/Day:       2007FEB01/032
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK Y GB 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operators are Betty Ragan and Jim Ogle.                              
           Vlock, UT1-UTC, gps delta all look OK.                               
          %MK high winds.                                                       
     0334  Begin at GB.                                                         
     0342  Begin at all VLBA station.                                           
0343-0345 *MK autostowed due to wind.                            WEA    100    2
     0346 %SC raining.                                                          
     0351  Begin at Y.                                                          
0351-1330 *Y Channel 1 total power low. Edge of band range.      OTHER   13   75
0354-0356 *PT autostowed.  Power glitch.                         COM    100    2
     0429 %Y channels 2, 3, 5 and 8 with lower than expected                    
           total power levels, not sure why.                                    
0439-1430 *FD BBC1 intermittently not locking.                   19769   10   59
0556-0558 *PT autostowed.  Power glitch.                         COM    100    2
0556-0558 *MK autostowed. Power glitch.                          COM    100    2
     0635  New Operator: Paul Padilla                                           
     0719 %SC Precipitation                                                     
     0745 %PT Precipitation                                                     
0843-0901 *MK having multiple tdiscloop: Module slow errors.     TAPE   100   18
0843-0844 *MK recording stalled:  Possible backplane issues                     
0845-0846 *MK recording stalled                                                 
0851-0852 *MK recording stalled                                                 
0854-0855 *MK recording stalled                                                 
0856-0901 *MK Rebooting the MarkV unit to attempt to fix proble                 
0905-1428 *MK removed from observation due to continued Module                  
           slow and recording problems.                                         
     1044 %PT Precipitation                                                     
     1227 %SC Precipitation                                                     
     1235 %FD Precipitation                                                     
1300-1303 *FD autostowed, power glitch?                          COM    100    3
     1330  Y ends                                                               
     1344 %FD Site Tech reports rainy and cloudy conditions                     
     1428  MK ends                                                              
     1430  End.                                                                 


Downtime Summary:
	Total downtime : 163 min
	Percentage downtime of observing: 2.3%
	Average downtime per hour : 1.4 min

    Total scheduled observing time (# Antennas): 7216 min (11)

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.