VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BP109B
Observer:       Perlman, E.
Project type:   VLBA
Obs filename:   bp109bcrd.*
Date/Day:       2004APR15/106
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Dave Pierce.                                             
           VCLOCK and GPS Delta check okay.                                     
           UT1-UTC: -0.45                                                       
     1735  File begins.                                                         
1735-1945 *KP 6cm is still cooling down, warm temps may affect   13815   33   42
     1737 %PT WEA: Wind gusts in excess of 35 mph.                              
     1829  All readbacks are okay.                                              
     1929  All readbacks are okay.                                              
     2029  All readbacks are okay.                                              
     2129  All readbacks are okay.                                              
     2136  All readbacks are okay.                                              
     2145  New operator is Cyrus M Reed.                                        
     2229  All readbacks OK.                                                    
     2300  WEA: Cloud cover via webcam:                                         
           WEA: SC Unknown (night).                                             
           WEA: HN,FD,LA,PT,KP,OV,MK Clear skies.                               
           WEA: NL Overcast. BR Cloudy. (80%)                                   
           WEA: No recent precipitation at any site.                            
     2329 *MK bad readback: Drive 2, Track 02.                                  
           All other readbacks OK.                                              
     2339  SC readbacks OK.                                                     
     0000  Date is 2004APR16/107.                                               
     0004  HN readbacks OK.                                                     
     0028  All readbacks OK.                                                    
     0029 %SC VME decided to do a spontaneous reobs - or                        
           something - it spit out "New program: BP109B" for                    
           no apparent reason. Appears to be working fine                       
           though.                                                              
     0035  SC,HN readbacks OK.                                                  
     0124  NL readbacks OK.                                                     
     0128 *PT bad readback: Drive 1, Track 02.                                  
          *OV bad readback: Drive 1, Track 12.                                  
           All other readbacks OK.                                              
     0134  End.                                                                 


Downtime Summary:
	Total downtime : 42 min
	Percentage downtime of observing: 0.9%
	Average downtime per hour : 0.5 min

    Total scheduled observing time (# Antennas): 4790 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.