VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BH126D
Observer:       D. Harris
Project type:   VLBA
Obs filename:   bh126dcrd.*
Date/Day:       2005APR19/109
Ants Scheduled: HN NL FD LA PT KP OV BR MK 

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLCOK, GPS Delta, and UT1-UTC check ok.                             
           SC is unavailable due to major maintainance.                         
           LA is writing Mark V disc pack NRAO-046 in bank A.                   
           KP is writing Mark V disc pack NRAO-059 in bank A.                   
     0153  Begin at all stations.                                               
     0159  All readbacks ok.                                                    
0200-0214 *KP Disc stopped recording.                            REC    100   14
           Previous scan was a readback scan.                                   
           Tried rebooting the station computer. No help. Will                  
           reboot the Mark V unit, then the station computer.                   
           Looks ok now.                                                        
     0237 %FD WEA: Wind gusts > 35mph.                                          
0237-0309 *KP Mark V unit stopped recording again.               15986  100   32
           Tried reboots as before, etc. Nothing helped.                        
           Switched to disc pack JIVE-014 in bank B.                            
0248-0513 *FD Lost commercial power. On generator. Antenna       COM    100  145
           stowed.                                                              
     0308  All readbacks ok.                                                    
     0310  FD Cryo compresser A pressures equalized after the                   
           loss of commercial power. Receivers warming.                         
          &Site tech called.                                                    
     0315  All readbacks ok.                                                    
     0336  FD Site tech on site.                                                
     0431  All readbacks ok.                                                    
     0519 %KP WEA: Wind gusts > 35mph.                                          
     0541  All readbacks ok.                                                    
     0543  New operator is Jim Ogle.                                            
0553-0554 *KP autostowed, high wind gusts. Repointed.            WEA    100    1
     0841  End at HN.                                                           
     0949  End.                                                                 


Downtime Summary:
	Total downtime : 192 min
	Percentage downtime of observing: 4.5%
	Average downtime per hour : 2.7 min

    Total scheduled observing time (# Antennas): 4284 min (9)

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.