VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BH151C
Observer:       Harris, D.
Project type:   VLBA
Obs filename:   bh151ccrd.*
Date/Day:       2008FEB13/044
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is A. Sowinski.                                             
           UT1-UTC -0.32, gps delta and vclock okay.                            
          *HN Recent snow plus there's snow/ice in the dish.                    
     0611  Begin.                                                               
     0619  HN Snowing.                                                          
     0650  New operator is Heidi Gerhardt                                       
     0812  MK begins                                                            
0837-0917 *MK mark5 comm lost                                    22233  100   40
     0845  MK rebooting mark5 and vme to see if that helps       22233          
     0901  MK mark5 status is alive when pinged but will not     22233          
           go online. Called site tech and he cannot go up do t                 
           dangerous road conditions. I tried the chatterbox                    
           and that didn't work.  I have to take MK out of the                  
           observation.                                                         
0917-1401 *MK taken out due to mark5 problem                     22233  100  284
1012-1014 *HN EL motor current 27.75 amps, put into standby      ACU    100    2
1016-1018 *HN EL motor current 27.75 amps, put into standby      ACU    100    2
           high currents probably due to snow.                                  
1022-1401 *HN taken out due to high EL motor currents from       ACU    100  219
           snow build up on the dish.                                           
     1058 %SC AZ/EL position error sometimes off by a few        22168          
           seconds of a dregree.                                                
1320-1322 *PT HC1 FIFO errors backplane 1PPS Marker Detected     FMTR   100    2
     1334 *SC raining                                                           
     1353  SC ends                                                              
     1401  End.                                                                 


Downtime Summary:
	Total downtime : 549 min
	Percentage downtime of observing: 11.7%
	Average downtime per hour : 7.0 min

    Total scheduled observing time (# Antennas): 4700 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.