VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BL149AF
Observer:       Lister, M.
Project type:   VLBA
Obs filename:   bl149afcrd.*
Date/Day:       2007AUG16/228
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Anthony Sowinski.                                        
           UT1-UTC -0.16, gps delta and vclock okay.                            
     0934  Begin.                                                               
     1044 %Raining at SC.                                                       
     1253  FD reports clear, dry.                                               
1330-1334 *SC Out of point after power glitch.                   COM    100    4
     1352  LA reports clear, dry.                                               
     1355  New Operator is Alan Kerr                                            
     1407  NL overcast.                                                         
1448-1449 *SC out of point. power glitch.                        COM    100    1
1515-1517 *PT out of point. power glitch.                        COM    100    2
1635-1638 *PT out of point.                                      COM    100    3
1640-1643 *PT out of point.                                      COM    100    3
1645-1648 *PT out of point.                                      COM    100    3
1700-1816 *PT in manual mode for maint.                          OTHER  100   76
     1733 *NL precipitation starting.                            WEA            
1817-1819 *PT out of point.                                      COM    100    2
1840-1852 *PT out of point.                                      COM    100   12
     1923  MK reports overcast sky.                                             
1927-1929 *PT out of point.                                      COM    100    2
     1933  PT precipitation starting.                                           
1957-1959 *PT out of point.                                      COM    100    2
2006-2009 *PT out of point.                                      COM    100    3
2021-2022 *PT out of point.                                      COM    100    1
2056-2059 *PT out of point.                                      COM    100    3
     2151  New operator is Betty Ragan.                                         
2201-2203 *PT autostowed again.                                  COM    100    2
2213-2214 *PT autostowed.                                        COM    100    1
2217-2218 *PT autostowed.                                        COM    100    1
     2225 %KP tsys are elevated. Weather report                                 
           indicates storms in the area.                                        
     2241 %PT raining.                                                          
2254-2258 *MK focus drive fault.                                 FRM    100    4
     2256  OV weather: cloudy, dry.                                             
     2330  PT air handler alarm going off, plenum temperature    21087          
           is high. Maser outer oven heater voltage is low.                     
           Called out site tech (Lonnie).                                       
     0000  Date is 2007AUG17/229.                                               
0024-0026 *OV AZ#1 armature over current error. Put in           ACU    100    2
           standby to clear.                                                    
     0145  PT back-up contempo is on now. Temperatures                          
           are cooler. Maser is looking better.                                 
     0305 %PT lost communications with the MK5 for about 30                     
           seconds.                                                             
0326-0327 *OV had AZ #1 armature over current error              ACU    100    1
           again. Put in standby to clear.                                      
0337-0339 *PT MK5 seemed to offline itself, got "problem         OTHER  100    2
           decoding module NRAO-210" message.  I tried                          
           onlining it again, which didn't appear to help, but                  
           a short while later it came back and began                           
           recording on NRAO-210 again.  Seems to be having no                  
           problems now.                                                        
0344-0351 *KP azimuth motor current sum high. Looks like         ACU    100    7
           it's oscillating.  Putting it in standby doesn't                     
           seem to have helped, but it's fine after the next                    
           scan change.                                                         
     0354 %HN raining.                                                          
     0545  Operator is Anthony Sowinski.                                        
0930-0935 *PT Mark5 module having problems. Rebooting VME,       REC    100    5
           although project will end very soon.                                 
     0935  End.                                                                 


Downtime Summary:
	Total downtime : 142 min
	Percentage downtime of observing: 1.0%
	Average downtime per hour : 0.6 min

    Total scheduled observing time (# Antennas): 14410 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.