VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BC137C
Observer:       Cesaroni, R.
Project type:   VLBA
Obs filename:   bc137ccrd.*
Date/Day:       2004FEB18/049
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Dave Pierce.                                             
           VCLOCK and GPS Delta check okay.                                     
           UT1-UTC: -0.41                                                       
                                                                                
     1121  File begins, except at MK which starts later.                        
           Webcam Update: SC - Mostly cloudy, low cumulus. The                  
           other sites are still dark.                                          
     1236  Readbacks are okay.                                                  
     1237  MK Joins in.                                                         
     1243 %SC WEA: Precipitation starting.                                      
1316-1324 *PT Drive #1 lost vacuum. Reloaded tape.               13449  100    8
     1345  Webcam Weather Update: SC - Mostly cloudy, low                       
           cumulus. HN,FD - Clear. NL,LA - Mostly clear, high                   
           thin haze. Other sites still dark.                                   
     1353  Readbacks are okay.                                                  
     1430  Webcam Weather Update: PT - High scattered cirrus.                   
           KP - Clear. Other western sites are still dark.                      
     1445  New Op. D. Medcalf.                                                  
     1504  BR reports overcast, low clouds, patchy fog.                         
     1509  All readbacks okay.                                                  
     1544  SC wea: overcast, low clouds, dry.                                   
     1626  All readbacks okay.                                                  
     1743  All readbacks okay.                                                  
           NL is reporting "rain" but, in fact, the skies are                   
           clear.  This is probably snow melting into the rain                  
           gauge.                                                               
1846-1850 *Major power glitch at SC.                             COM    100    4
     1900  All readbacks okay.                                                  
1913-1917 *Another power glitch at SC.                           COM    100    4
     2021  End.                                                                 


Downtime Summary:
	Total downtime : 16 min
	Percentage downtime of observing: 0.3%
	Average downtime per hour : 0.2 min

    Total scheduled observing time (# Antennas): 5400 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.