VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BM208C
Observer:       Middelberg, E.
Project type:   VLBA
Obs filename:   bm208ccrd.*
Date/Day:       2005APR04/094
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Sonja Mendoza.                                           
           LA using MKV disk pack NRAO-032, bank B.                             
           PT using MKV disk pack NRAO-011, bank B.                             
           KP using MKV disk pack NRAO-057, bank A.                             
           Vclock, GPS delta, and UT1-UTC time checks all ok.                   
           WEA: FD,PT,KP,OV,MK: Occasional gusty winds. Winds                   
           at PT gusting over 35mph.                                            
           WEA: NL,FD,PT,LA,OV,KP: Clear to mostly clear skies.                 
           WEA: MK,BR,HN: Partly cloudy skies, BR mostly                        
           cloudy.                                                              
     2219  Begin observation.                                                   
2219-1021 *SC Antenna is down for a major maintenance            15359  100  722
           overhaul and repair to FRM.                                          
     2220 %PT WEA: wind gusts > 35 mph.                                         
     2225 %FD WEA: wind gusts > 35 mph.                                         
     2237  BR WEA: Skies are clearing.                                          
     2237  LA WEA: Increasing clouds.                                           
2248-2303 *PT WEA: Apparent power glitch caused on-site VME      COM    100   15
           computer to reboot itself. Site tech reports that                    
           Mark V chassis lost power. Mark V powered up and                     
           Mark V disks put back online.                                        
     2339  MK joins VLBA project BM208C as scheduled.                           
     2340 %PT WEA: wind gusts > 35 mph, increasing clouds.                      
     2344 %FD WEA: wind gusts > 35 mph.                                         
     2351 %MK WEA: wind gusts > 35 mph.                                         
     0000  Date is 2005APR05/095.                                               
     0002 %NL: Seeing elevated sys/temp at 1cm scans, but                       
           uncertain as to the reason. No checker errors,                       
           weather doesn't seem to be a factor.                                 
     0004 %KP WEA: wind gusts > 35 mph.                                         
     0019 %HN Bad readback tracks 20,24,28 and 30, drive 1.                     
           All other readbacks ok.                                              
     0052 %PT,LA WEA: wind gusts > 35 mph.                                      
     0102 %MK WEA: wind gusts > 35 mph.                                         
     0152 %HN Bad readback tracks 16,24,30,31 and 32, drive                     
           1. All other readbacks ok.                                           
     0314 %HN Bad readback tracks 16,20,28 and 30, drive 1.                     
           All other readbacks ok (no readback at BR).                          
     0314 %LA WEA: wind gusts > 35 mph.                                         
     0319 %MK WEA: wind gusts > 35 mph.                                         
     0448 %HN Bad readback track 3, drive 2.                                    
          %NL Bad readback track 27, 29, drive 1.                               
           All other readbacks ok.                                              
     0447 %MK WEA: wind gusts > 35 mph.                                         
     0451 %PT WEA: wind gusts > 35 mph.                                         
     0543  New operator: T. Perreault                                           
     0556  BR wea: clear sky, new tape mounted.                                 
     0610  Readback check ok                                                    
     0656  PT recording Mark V band A pack NRAO-052                             
     0743  Readback check ok                                                    
     0925  HN bad readback drive 2 tracks 27,30;                                
           all other sites ok                                                   
     1021  End.                                                                 


Downtime Summary:
	Total downtime : 737 min
	Percentage downtime of observing: 10.2%
	Average downtime per hour : 6.1 min

    Total scheduled observing time (# Antennas): 7220 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.