VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BR121I
Observer:       Reid, M.
Project type:   VLBA
Obs filename:   br121icrd.*
Date/Day:       2007APR22/112
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
     0642  Begin file                                                           
           VCLOCK check ok. SC at -0.161                                        
           UT1-UTC check ok (-0.10)                                             
           GPS delta < 10 us (NL: 8.8 us)                                       
           Operator: T. Perreault                                               
0642-0759 *SC not observing. EL motor current amps for           20238  100   77
           both motors are over 40 amps and antenna is not                      
           moving in EL. Contacted oncall site tech, he will                    
           go out and take a look. Removed from observing                       
           so as not to use disk.                                               
     0759  SC repointed, on source. Problem appears to have                     
           been stuck motor brush.                                              
1000-1006 *SC dropped out of pointing due to temporary loss      COM    100    6
           of commercial power.                                                 
1045-1050 *SC autostowed. Power glitch. Repointed.               COM    100    5
     1236  Site weather via webcams:                                            
           SC: overcast                                                         
           HN: mostly clear                                                     
           NL, FD, PT: clear                                                    
           LA: webcam not updating                                              
     1314  Site weather update:                                                 
           KP: clear                                                            
           OV, BR: partly cloudy                                                
     1334  New Operator is Alan Kerr                                            
     1433  WEA: SC overcast; LA,OV,BR partly cloudy.                            
     1444  End.                                                                 


Downtime Summary:
	Total downtime : 88 min
	Percentage downtime of observing: 1.8%
	Average downtime per hour : 1.1 min

    Total scheduled observing time (# Antennas): 4820 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.