VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BA071A
Observer:       I. Agudo
Project type:   VLBA
Obs filename:   ba071acrd.*
Date/Day:       2004AUG20/233
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.                             
     0716  Begin at all stations except MK.                                     
0720-0726 *FD Commanded FRM focus position did not               FRM    100    6
           update with scan change.                                             
     0846  All readbacks ok.                                                    
     0911  All readbacks ok.                                                    
     0912  MK Begin.                                                            
0912-1909 %MK 2cm left FET#1 intermittently out of range, may    14540    9   53
           affect 2cm LCP data.                                                 
1109-1119 *NL Observing system went idle. File and Observ.tx     OTHER  100   10
           look ok. I resent them and rebooted.                                 
1109-1120 *HN Observing system went idle. File and Observ.tx     OTHER  100   11
           look ok. I resent them and rebooted.                                 
           File came back up. Must have been a transmission                     
           error the first time the file was sent.                              
     1214 *SC Bad readback on drive 2, track 33. All others                     
           were ok.                                                             
     1217  HN WEA: Site tech reports hazy skies. Dry.                           
     1303  FD Site tech reports overcast skies, ground is wet.                  
     1341  New operator is Jim Ogle.                                            
     1347  LA reports clear skies.                                              
     1411  Sitecam weather: scattered clouds at NL. Mostly                      
           cloudy conditions at PT. Overcast at FD. Clear to                    
           mostly clear at HN, LA, KP and BR. SC, OV and MK                     
           conditions unknown, sitecams down at SC and OV and                   
           it's still dark at MK.                                               
     1416  BR reports smoky haze, otherwise clear skies.                        
     1435  KP reports clear skies.                                              
     1454 *OV bad readbacks 3, 5, 7, 9, 11, 13, 15, 17, 19,                     
           21, 23, 25, 26, 28, 30 and 32 on drive #1. Other                     
           sites okay.                                                          
     1503  OV reports clear skies.                                              
     1518 *SC bad readbacks on track 15, drive #1. Other                        
           sites okay.                                                          
1613-1637 *OV formatter clock error; had to reset formatter      FMTR   100   24
           to clear error then restart scan to set it up                        
           properly. Site techs and recorder group are working                  
           on recorder #2 and may have inadvertently caused                     
           the problem.                                                         
     1645 %All phone lines to OV have died.                      14634          
     1650  Readbacks okay.                                                      
     1714  Readbacks okay.                                                      
1729-1735 *SC rotation motion analysis fault.                    FRM    100    6
     1759 *Raining at LA.                                                       
     1817 *Raining at HN.                                                       
     1846  End at SC.                                                           
     1907  MK reports clear skies.                                              
     1909  End.                                                                 


Downtime Summary:
	Total downtime : 110 min
	Percentage downtime of observing: 1.5%
	Average downtime per hour : 0.9 min

    Total scheduled observing time (# Antennas): 7130 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.