VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BW067L
Observer:       R.C. Walker
Project type:   VLBA
Obs filename:   bw067lcrd.*
Date/Day:       2003DEC09/343
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.                             
     0102  Begin.                                                               
0102-0800 *KP Taking RFI on all channels.                                       
0102-1202 *NL Antenna is not useable due to unresolved station   12974  100  660
           computer problems.                                                   
     0106  All readbacks ok.                                                    
     0112 *PT WEA: Snowing.                                                     
     0219 %SC Bad readback on drive 2, tracks 30 and 32. All                    
           others ok.                                                           
     0320 *LA WEA: Snowing.                                                     
     0333  All readbacks ok.                                                    
     0443  MK Begin.                                                            
     0601 %SC Bad readbacks on drive 2, tracks 22 and 24.                       
     0601 %LA Bad readback on drive 2, track 19. All others                     
           ok.                                                                  
     0635  New operator is Dave Pierce.                                         
     0710  Readbacks are okay.                                                  
     0715 %SC Bad readbacks on drive #2, tracks 30and 32. All                   
           other site readbacks are okay.                                       
     0824  Readbacks are okay.                                                  
     0829  Readbacks are okay.                                                  
     0937 %FD WEA: Wind gusting in excess of 35 mph.                            
     0943  Readbacks are okay.                                                  
     0949  Readbacks are okay.                                                  
1030-1202 *FD Stowed antenna due to high wind gusts.             WEA    100   92
           Site received two gusts in excess of 55 mph in less                  
           than 5 minutes.                                                      
1107-1202  SC Autostowed. -20F ambient temperature alarm.        12992    5    3
           As SC is in a "standby" mode until the last 3                        
           minutes of the observation, Site Tech was not called                 
           out to check weather station.                                        
     1108 %PT Bad readback on drive #1, track 4. All other                      
           site readbacks are okay.                                             
     1130  Readbacks are okay.                                                  
     1202  End.                                                                 


Downtime Summary:
	Total downtime : 755 min
	Percentage downtime of observing: 11.4%
	Average downtime per hour : 6.9 min

    Total scheduled observing time (# Antennas): 6600 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.