VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BP109C
Observer:       Perlman, E.
Project type:   VLBA
Obs filename:   bp109ccrd.*
Date/Day:       2004APR21/112
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Cyrus M Reed.                                            
           VCLOCK and GPS DELTA OK.                                             
           UT1-UTC OK (-0.45).                                                  
           WEA: Cloud cover via webcam:                                         
           WEA: SC,NL,BR Stratus. (100%)                                        
           WEA: HN Altocumulus. (75%)                                           
           WEA: FD,LA,PT,KP,OV Clear skies.                                     
           WEA: MK Cirrus. (40%)                                                
           WEA: Recent precipitation at BR and NL - other                       
           WEA: sites dry.                                                      
     1712  Begin observing. All antennas on source.                             
1712-1850 %PT 6cm receiver is warm at 101K, but cooling.         13858   40   39
     1806 *FD bad readback: Drive 1, Track 32.                                  
           All other readbacks OK.                                              
     1906  All readbacks OK.                                                    
     2000  WEA: Cloud cover via webcam:                                         
           WEA: SC,NL Stratus. (100%)                                           
           WEA: HN,FD,PT,KP,OV,MK Clear skies.                                  
           WEA: LA,BR Cumulus. (25%,10%)                                        
     2005  All readbacks OK.                                                    
     2050 %OV: Wind gusts >35 MPH.                                              
     2105  All readbacks OK.                                                    
     2145  New operator is Paul Dyer.                                           
           All readbacks ok.                                                    
2216-2222 *FD Autostowed. Power glitch.                          COM    100    6
     2228 *FD WEA: Wind gusts > 35mph.                                          
     2259 *PT WEA: Wind gusts > 35mph.                                          
     2304  All readbacks ok.                                                    
     2314 *LA WEA: Wind gusts > 35mph.                                          
     0000  Date is 2004APR22/113.                                               
     0004 %NL Bad readbacks on drive 2, tracks 27-33.                           
           All others were ok.                                                  
     0011  NL End of file                                                       
     0011  SC End of file                                                       
     0011  HN End of file.                                                      
     0020 *PT WEA: 55mph wind gust, but the antenna did not                     
           stow.                                                                
     0055  FD End of file.                                                      
     0055  LA End of file.                                                      
     0104 *MK WEA: Raining.                                                     
     0108  End.                                                                 


Downtime Summary:
	Total downtime : 45 min
	Percentage downtime of observing: 0.9%
	Average downtime per hour : 0.6 min

    Total scheduled observing time (# Antennas): 4760 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.