VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BD102C
Observer:       Perez-Torres
Project type:   VLBA
Obs filename:   bd102ccrd.*
Date/Day:       2004DEC09/344
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Brian Willard.                                           
           GPS delta all than 10 microsec.                                      
           Vclock values all good.                                              
           UT1-UTC values all -0.50.                                            
           PT writing MkV, VSN NRAO-058, Bank A.                                
           WEA: Scattered clouds SC,BR.                                         
           WEA: Clear FD,LA,PT,KP,OV,MK.                                        
          %WEA: overcast NL.                                                    
           WEA: HN unknown (sitecam not working.)                               
     2226  Observation Begins.                                                  
     2250  New operators are Jim Ogle and Sonja Mendoza.                        
     2258 %Raining at SC.                                                       
     2357  OV reports cloudy skies.                                             
     0000  Date is 2004DEC10/345.                                               
     0022  Readbacks okay.                                                      
0110-0149 *SC Autostowed due to power failure. Will wait for     15358  100   39
           power to stabilize before repointing.                                
     0118 *SC getting AZ#1 armature overcurrent faults when      15358          
           we point it, stowing antenna and calling out site                    
           tech.                                                                
     0119 *SC unable to reach site tech, phone circuits          15358          
           on the island are all busy.                                          
     0121 *SC more power glitches occuring.                      15358          
     0128 &SC tech called in, is going out to site to check      15358          
           on antenna. The armature/electronics CB errors we                    
           are seeing were occuring earlier today and may not                   
           be real, he's going to check it out.                                 
     0222 *BR bad readback on track #31, drive #1. Other                        
           sites okay.                                                          
     0229 %Snowing/raining/sleeting at BR.                                      
0333-0334 *HN autostowed, probably a commercial power glitch.    COM    100    1
           Repointed.                                                           
     0335 %Raining/sleeting at HN.                                              
     0426  End.                                                                 


Downtime Summary:
	Total downtime : 40 min
	Percentage downtime of observing: 1.1%
	Average downtime per hour : 0.7 min

    Total scheduled observing time (# Antennas): 3600 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.