VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        MT648
Observer:       Data Analysts
Project type:   TEST
Obs filename:   mt648crd.*
Date/Day:       2006DEC28/362
Ants Scheduled: SC HN NL LA PT KP OV BR MK 

=UT-Time===Comment===============================================MF#===%AD==AMD=
     0616  Begin file                                                           
           VCLOCK check ok. SC at -0.161                                        
           UT1-UTC check ok (0.04)                                              
           GPS delta < 10 us (SC at -7.5 us, NL at 8.2 us)                      
           Operator: T. Perreault                                               
0616-0746 *FD not observing. AZ#1 drive axle broke.              19601  100   90
     0616 %OV wea: wind gusts exceeding 35 mph, expect           WEA            
           pointing to be affected at higher frequencies.                       
0616-0620 *KP Mark5 not recording module NRAO-063 in bank A      19632  100    4
           The recording state was switching back and forth                     
           between RECORD and MOUNTED with no data being                        
           recorded. Issued a SWITCH command to the module in                   
           bank B (NRAO-162) which began recording with no                      
           problems.                                                            
     0628 %SC wea: rain.                                                        
0631-0632 *SC rotation drive fault.                              FRM    100    1
     0633  New operator is Jim Ogle.                                            
0711-0712 *BR rotation drive fault.                              19631  100    1
0721-0723 *HN rotation drive fault.                              FRM    100    2
0728-0730 *HN rotation drive fault.                              FRM    100    2
     0746  End.                                                                 


Downtime Summary:
	Total downtime : 100 min
	Percentage downtime of observing: 12.3%
	Average downtime per hour : 7.4 min

    Total scheduled observing time (# Antennas): 810 min (9)

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.