VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BS179C
Observer:       Savolainen, Tuomas
Project type:   VLBA
Obs filename:   bs179ccrd.*
Date/Day:       2008FEB23/054
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is A. Sowinski.                                             
           UT1-UTC -0.32, gps delta and vclock okay.                            
          *Recent rain at LA,PT,KP.                                             
          %OV 3mm cyro slightly warm (~30K).                                    
     1258  Begin, except at SC and HN.                                          
     1338  Begin at SC,HN.                                                      
1341-1344 *HN,NL,BR FRM Rotation position errors.                FRM    300    9
     1345 *NL Very cold weather is slowing down the FRM.                        
     1434 *PT Snowing.                                                          
     1444  New operator is Heidi Gerhardt                                       
1444-0302 *LA noticed that Tsys are unusually high, ocassionaly  OTHER   50  369
1506-1508  SC comm down, still observing                                        
     1545 *FD 35+ mph wind caution                                              
1806-1812 *HN rotation motion analysis fault                     FRM    100    6
2131-2133 *SC rotation drive fault                               22278  100    2
2216-2219 *SC rotation drive fault                               22278  100    3
2218-2223 *KP autostowed, UPS on inverter                        GEN    100    5
     2340 *OV 35+ mph wind caution                                              
     0000  Date is 2008FEB24/055.                                               
0007-0016  HN FRM rotation error. cleared.                       FRM    100    9
0021-0302  BR comm down, 56K modem (paradigm unit) is down       COM    100  161
0032-0034  SC comm down, still observing                                        
0112-0302 *HN rotation motion analysis fault, intermittent       FRM     50   55
     0255  Operator is A. Sowinski.                                             
     0300 *SC has also had FRM rotation motion faults at                        
           scan changes.                                                        
           Monitor data will be delayed until comm is restored                  
           to BR.                                                               
     0302  End.                                                                 


Downtime Summary:
	Total downtime : 619 min
	Percentage downtime of observing: 7.3%
	Average downtime per hour : 4.4 min

    Total scheduled observing time (# Antennas): 8440 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.