VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BM211B
Observer:       A. Marscher
Project type:   VLBA
Obs filename:   bm211bcrd.*
Date/Day:       2004AUG30/243
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLOCK, GPS Delta, and UT1-UTC check ok.                             
     1036  Begin at all stations.                                               
     1229  All readbacks ok.                                                    
     1329  Operator on duty: Phillip Hicks.                                     
           Weather: Clear at all sites except MK (dark).                        
     1406  BR Weather: Site tech reports scattered high                         
           clouds and dry.                                                      
     1407 %BR Weather: Site tech reports low overcast clouds.                   
           Grand and dish dry.                                                  
1420-0239 *SC being taken out of observing, site techs need to   14668  100  739
           lock antenna down for approaching hurricane Francis.                 
1436-1442 *FD Focus brake fault.                                 FRM    100    6
1436-1440 *MK Focus drive fault.                                 FRM    100    4
     1445  KP WEA: Clear, none, dry.                                            
1633-1647 *FD ACU work. Techs control the antenna.               14668  100   14
     1704  Readback test: No problems seen.                                     
     1843  MK Readback test. No problems seen.                                  
     1900 *Readback Tests: No problems except HN, track 33.                     
     1903  MK Weather: Site Tech reports clear.                                 
     1955 %LA High winds.                                                       
2007-2009 *PT not pointing due to power glitch.                  COM    100    2
2044-2051 *FD Az#1 and El#1 armature/elect. CB fault. Repointed  ACU    100    7
     2059  MK Readback test: No problems.                                       
     2108  KP Weather: Site tech reports scattered low clouds                   
           and dry.                                                             
     2150  New operators are Jim Ogle and Brian Willard.                        
     2200  Readbacks okay.                                                      
2220-2235 *FD focus brake fault. Wasn't responding to command    FRM    100   15
           attempts so had to do a master clear and resend                      
           position command.                                                    
2232-2236 *MK same focus brake fault as as FD above.             FRM    100    3
     2300  OV reports partly cloudy skies.                                      
     2306  MK reports clear skies.                                              
     2324 *Raining at HN.                                                       
2339-2341 *PT autostowed, commercial power glitch.               COM    100    2
     2356 %NL B-rack power supply +15V #1 and #2 reading out     14691          
           of range; data probably not affected.                                
     2359 *HN bad readbacks on track 33, drive #1. Other                        
           sites okay.                                                          
     0000  Date is 2004AUG31/244.                                               
0011-0013 *FD focus brake fault. Had to do a master clear then   FRM    100    2
           resend position command.                                             
0039-0044 *MK focus brake fault. Was not flagging with a         FRM    100    5
           position error but the screen did show one. Had to                   
           do a master clear then resend command to get it to                   
           move to the commanded position.                                      
     0239  End.                                                                 


Downtime Summary:
	Total downtime : 799 min
	Percentage downtime of observing: 8.3%
	Average downtime per hour : 5.0 min

    Total scheduled observing time (# Antennas): 9630 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.