VERY LONG BASELINE ARRAY OBSERVING LOG
--------------------------------------
Project:        BH126B
Observer:       D. Harris
Project type:   VLBA
Obs filename:   bh126bcrd.*
Date/Day:       2004DEC29/364
Ants Scheduled: SC HN NL FD LA PT KP OV BR MK

=UT-Time===Comment===============================================MF#===%AD==AMD=
           Operator is Paul Dyer.                                               
           VCLOCK, GPS Delta, and UT1-UTC check ok.                             
           PT is writing Mark V disc pack NRAO-048 in bank A.                   
     0909  Begin at all stations.                                               
     0909 *KP WEA: Wind gusts > 35mph.                                          
     0915  All readbacks ok.                                                    
0917-0919 *KP Autostowed. Wind gust > 55mph.                     WEA    100    2
     1000 *KP RFI Channels 5-8 at times.                                        
     1024  All readbacks ok.                                                    
     1027 *KP WEA: Raining.                                                     
     1031  All readbacks ok.                                                    
1037-1039 *KP Autostowed. Wind gusts > 55mph.                    WEA    100    2
     1044 *OV WEA: Raining/Snowing.                                             
     1140  All readbacks ok.                                                    
     1148  All readbacks ok.                                                    
1149-1151 *KP Autostowed. Wind gust > 55mph.                     WEA    100    2
1151-1204 *KP Autostowed again. Wind gusts > 55mph               WEA    100   13
           Gusts staying above 55mph. Will repoint when winds                   
           subside                                                              
1223-1314 *KP Autostowed again. Wind gusts > 55mph.              WEA    100   51
           Gusts staying above 55mph. Will repoint when winds                   
           subside.                                                             
1229-1234 *SC Lost commercial power. Antenna autostowed.         COM    100    5
           Repointed after error messages cleared.                              
           Running on generator.                                                
1243-1245 *SC Antenna autostowed as commercial power             COM    100    2
           came back on. Repointed.                                             
     1304  All readbacks ok.                                                    
1300-1430 *NL Possible RFI on channels 5-8 (50cm).               INT     50   45
1315-1705 *KP Autostowed again. Wind gusts > 55mph.              WEA    100  230
           Will repoint when winds subside.                                     
     1343 *BR WEA: Snowing.                                                     
     1413 *PT WEA: Wind gusts > 35mph.                                          
     1445  Operator on duty: Phillip Hicks and Sonja Mendoza.                   
     1447  PT WEA: Low clouds, occassional drizzle.                             
     1459 *KP WEA: Light rain, fog, low clouds, still too                       
           windy to point the antenna.                                          
     1514 *BR WEA: Update, still snowing, 1/4 inch of snow on                   
           ground, probably in the dish also.                                   
     1521  SC ends observation.                                                 
     1521  HN only, readback check okay.                                        
     1530 *PT WEA: Wind gusts > 35mph.                                          
     1558  HN ends observation.                                                 
     1601 *OV WEA: Update; overcast, blowing snow.                              
     1628  NL only, readback check okay.                                        
     1705  End.                                                                 


Downtime Summary:
	Total downtime : 352 min
	Percentage downtime of observing: 7.4%
	Average downtime per hour : 4.4 min

    Total scheduled observing time (# Antennas): 4760 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.