VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BW090D
Observer:       Walker, R.C.
Project type:   VLBA
Obs filename:   bw090dcrd.*
Date/Day:       2008FEB10/041
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Betty Ragan.                                             
           Vclock, UT1-UTC, gps delta all check OK.                             
     0523  Begin.                                                               
0523-1521 *MK out due to damage from snow and ice.               22199  100  598
0523-1521 *HN removed from observation. FRM is frozen.           22193  100  598
     0523 %SC elevation oscillation problem is happening         22168          
           frequently (maybe every 5-10 minutes) for a                          
           few seconds at a time.                                               
0607-0608 %PT HC2 FIFO errors. Cleared.                          22522          
     0728  SC EL oscillation is happening much less frequently                  
           now.                                                                 
1226-1228 %PT HC2 FIFO errors. Cleared.                          22522          
     1254  End at SC.                                                           
1301-1521  LA communication down. Going to dial backup.                         
     1445  New Operator is Alan Kerr                                            
     1503  End at NL.                                                           
     1521  End.                                                                 


Downtime Summary:
	Total downtime : 1196 min
	Percentage downtime of observing: 20.0%
	Average downtime per hour : 12.0 min

    Total scheduled observing time (# Antennas): 5980 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.