VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BD087E
Observer:       Dhawan, V.
Project type:   VLBA
Obs filename:   bd087ecrd.*
Date/Day:       2004APR25/116
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Cyrus M Reed.                                            
           VCLOCK and GPS DELTA OK.                                             
           UT1-UTC OK (-0.45).                                                  
           WEA: Cloud cover via webcam:                                         
           WEA: SC,FD,LA,PT,KP,OV,BR Clear skies.                               
           WEA: HN Light haze. MK Unknown (night).                              
           WEA: NL Unknown - webcam not updating.                               
           WEA: No recent precipitation at any site.                            
     1256  Begin observing. Antennas on source.                                 
           HN,BR start later.                                                   
     1259  MK readbacks OK.                                                     
     1300  HN now observing and on source.                                      
     1303  BR now observing and on source.                                      
     1306  MK readbacks OK.                                                     
     1329  All readbacks OK.                                                    
     1347  New operator is Jim Ogle.                                            
1353-1354 *SC autostowed, commercial power glitch. Repointed.    COM    100    1
1401-1402 *BR autostowed, commercial power glitch. Repointed.    COM    100    1
     1401  Readbacks okay.                                                      
     1434 *KP bad readbacks on track 24, drive #2. Other                        
           sites okay.                                                          
     1507  Readbacks okay.                                                      
     1540  Readbacks okay.                                                      
     1543 %Raining at NL.                                                       
     1612  Readbacks okay.                                                      
     1618  OV reports clear skies.                                              
     1619  LA reports scattered low clouds.                                     
1634-1642 *OV tape full, due to recorder problems at site we     13882  100    8
           have to mount a fresh tape on the same drive so no                   
           data is being recorded while the site tech does                      
           that.                                                                
     1646  Readbacks okay.                                                      
     1719  Readbacks okay.                                                      
     1751  Readbacks okay.                                                      
1815-1846 *BR ran out of tape, no fresh tape on other drive.     HUERR  100   31
     1817 &BR tech called, he's on his way to site.                             
     1824  Readbacks okay.                                                      
     1852  BR reports clear skies.                                              
     1857  End.                                                                 


Downtime Summary:
	Total downtime : 41 min
	Percentage downtime of observing: 1.1%
	Average downtime per hour : 0.7 min

    Total scheduled observing time (# Antennas): 3610 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.