VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BL137H
Observer:       Lister, M.
Project type:   VLBA
Obs filename:   bl137hcrd.*
Date/Day:       2006AUG09/221
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Anthony Sowinski.                                        
           Vclock and gps delta checks okay.                                    
          *Raining at KP.                                                       
     0625  Begin.                                                               
     0844 *Raining at PT.                                                       
     1135 *Raining at NL.                                                       
1203-1205 *NL Power glitch caused antenna to autostow.           COM    100    2
1208-1215 *NL Autostowed again. Waiting a bit before             COM    100    7
           repointing.                                                          
     1340  New Operator is Heidi Gerhardt.                                      
1711-1713 *PT autostowed, power glitch.                          COM    100    2
1852-1854 *PT autostowed, power glitch.                          COM    100    2
1920-1921 *PT autostowed, power glitch.                          COM    100    1
1926-1927 *PT autostowed, power glitch.                          COM    100    1
1940-1950 *PT autostowed, power glitch.                          COM    100   10
1952-2019 *PT autostowed, power glitch.                          COM    100   27
2023-2047 *PT autostowed, power glitch.                          COM    100   24
2057-2159 &PT autostowed, power glitch, problem with AZ and EL   18760  100   62
           armature electronics, called out Lonnie Guin.                        
2104-2105 *LA autostowed, power glitch.                          COM    100    1
     2137  New operator is Jim Ogle.                                            
     2138  KP reports broken low clouds.                                        
2208-2210 *PT autostowed, power glitch. Repointed.               COM    100    2
2212-2222 *PT autostowed, power glitch. Site tech is going to    18760  100   10
           take manual control for a while to check out the                     
           electronics.                                                         
     2215 *Raining at PT.                                                       
2229-2238 *PT autostowed, power glitches probably due to bad     WEA    100    9
           weather. Repointed.                                                  
2241-2255 *PT autostowed. Repointed.                             WEA    100   14
     2242  OV reports clear skies.                                              
2307-2312 *PT autostowed.                                        WEA    100    5
2309-2311 *KP autostowed, power glitch. Repointed.               COM    100    2
2313-2315 *SC and KP rotation motion analysis faults.            FRM    200    4
2315-2317 *FD focus position error.                              FRM    100    2
2331-2332 *KP autostowed.                                        COM    100    1
2333-2355 *PT autostowed, loss of commercial power.              WEA    100   22
2335-2336 *KP autostowed.                                        COM    100    1
2337-2348 *KP autostowed again.                                  COM    100   11
     2341 *PT commercial power is back but still unstable so                    
           will refrain from pointing for a while yet.                          
     2349 *Raining at KP.                                                       
2355-2356 *KP autostowed, power glitches probably due to         WEA    100    1
           weather. Repointed.                                                  
     0000  Date is 2006AUG10/222.                                               
0045-0047 *FD switched to new MK5 pack in bank A, NRAO-066,      REC    100    2
           but did not start writing data to it.                                
           I offlined the unit then brought it back up and it                   
           began writing to the pack.                                           
     0047 *Raining at SC and LA.                                                
0228-0332 *SC EL#2 armature overcurrent fault. Put antenna in    18763  100   64
           standby but error did not clear so is probably a                     
           blown fuse.                                                          
     0235 &SC tech Greg contacted, on his way to site.           18763          
     0318 *SC tech reports problem is not a blown fuse but a     18763          
           broken brush in one of the motors. He is working on                  
           it.                                                                  
     0533  Operator is Anthony Sowinski.                                        
0554-0555 *PT Power glitch autostow; repointed.                  COM    100    1
     0628  End.                                                                 


Downtime Summary:
	Total downtime : 290 min
	Percentage downtime of observing: 2.0%
	Average downtime per hour : 1.2 min

    Total scheduled observing time (# Antennas): 14430 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.