VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BB231E
Observer:       Braatz, J.A.
Project type:   VLBI
Obs filename:   bb231ecrd.*
Date/Day:       2007APR07/097
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK GB EB 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Alan Kerr                                                
           WEA: Overcast at FD,LA,PT.  Windy at NL,KP,OV,MK                     
           GPSdelta ok (NL 8.7).  vclock OK. Clk-UTC -0.07                      
     0315  Begin at all sites except MK                                         
0315-0446 *FD Subreflector error (4mm). Masterclear. normal.     FRM    100   91
           very strange. Peggy had to track this one down.                      
     0330  Begin at MK.                                                         
     0605  New operator is Betty Ragan.                                         
1239-1241 *PT autostowed. Probably a power glitch.               COM    100    2
1247-1249 *PT autostowed again.                                  COM    100    2
     1250  SC cloudy, tsys a little high.                                       
1320-1321 *PT stowed again.                                      COM    100    1
     1332  New operator: T. Perreault                                           
1336-1339 *PT autostowed. Power glitch. Repointed.               COM    100    3
1357-1405 *PT autostowed. Power glitch. Repointed.               COM    100    8
     1402  FD wea: overcast, patchy freezing fog, ice on                        
           surface of buildings & grounds                                       
1405-1407 *FD EL#1 armature/electronic circuit breaker           ACU    100    2
           fault condition; cleared by momentarily disabling                    
           the EL axis.                                                         
     1512  End.                                                                 


Downtime Summary:
	Total downtime : 109 min
	Percentage downtime of observing: 1.5%
	Average downtime per hour : 0.9 min

    Total scheduled observing time (# Antennas): 7170 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.