VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BU027D
Observer:       J.S. Ulvestad
Project type:   VLBA
Obs filename:   bu027dcrd.*
Date/Day:       2005JAN02/002
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Sonja Mendoza.                                           
           Vclock, time and GPS Delta checks all okay.                          
           NOTE: MK will start observation at 0622UT.                           
           LA writing on disk pack NRAO-064.                                    
           PT writing on disk pack NRAO-032.                                    
     0430  Begin observation.                                                   
     0430  WEA: Occasional gusty winds at SC and BR.                            
0430-0513 *NL WEA: Occasional precipitation, antenna stowed      WEA    100   43
           due to possible icing conditions (temp. is just                      
           above freezing).                                                     
     0430 *KP Intermittant RFI on channel 1 & 2 at 13cm.                        
     0430 *BR Intermittant RFI on channel 7 at 13cm.                            
     0506  Readback check okay at all sites.                                    
     0513  Pointing NL antenna; temp. has risen; will monitor                   
           elevation motor currents and temp. to check for                      
           icing.                                                               
0622-1431 *MK WEA: Winds > 55mph stow speed. Can't point         WEA    100  489
           antenna.                                                             
     0620  LA writing on disk pack NRAO-005 (time                               
           approximate).                                                        
     0621  Readback check okay at all sites.                                    
     0653 *NL WEA: Raining at NL, elevated system temperatures                  
     0751  Readback check okay at all sites.                                    
     0901 *BR WEA: Wind gust > 35mph.                                           
     0910 *KP WEA: Wind gust > 35mph.                                           
     0918  Readback check okay at all sites.                                    
0923-1431 *NL WEA: Antenna stowed due to danger of icing.        WEA    100  308
           Temp. has dropped, and it appears that                               
           precipitation has started again.                                     
     1017  Readback check okay at all sites.                                    
     1100  Readback check okay at all sites.                                    
1131-1206 *LA Station computer appears to have rebooted          REC    100   35
           itself. Data has stopped writing to disk. Rebooting                  
           mark5 and station computers.                                         
     1206  LA now writing to tape; was unable to continue                       
           writing on disk.                                                     
1206-1300 *LA Station computer keeps rebooting itself; not       SW      20   10
           certain what is happening. Rebooting mark5                           
           and station computers. Downtime estimated.                           
     1250  Readback check okay at all sites.                                    
     1356  Readback check okay at all sites.                                    
     1423  PT dropping out of observation for a PT-Link                         
           project.                                                             
     1431  End.                                                                 


Downtime Summary:
	Total downtime : 885 min
	Percentage downtime of observing: 14.7%
	Average downtime per hour : 8.8 min

    Total scheduled observing time (# Antennas): 6010 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.