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lbaops:lbaobservingnotes:vexcheck [2016/01/06 13:37]
cormac
lbaops:lbaobservingnotes:vexcheck [2019/09/26 17:53] (current)
cormac
Line 7: Line 7:
   *  All stations on the block schedule are included   *  All stations on the block schedule are included
   *  Standard frequency   *  Standard frequency
-  *  ​Scans not too short (ATCA loses 15 sec on scan change). +  *  ​First hour reserved for fringe finding 
-  *  ​Scans aligned with 10sec boundary (for ATCA)+    * Fringe finders listed 
 +  *  ​Fringe finder observed every few hours 
 +  *  Phase reference cycle not too long
   *  Sources not set at too many stations at any time (elevation)   *  Sources not set at too many stations at any time (elevation)
   *  Slew times not too long (very long or longer than scan)   *  Slew times not too long (very long or longer than scan)
-  *  Fringe finders listed 
   *  Source positions given to sufficient accuracy   *  Source positions given to sufficient accuracy
  
-One way to check all of this is (as vlbi on ATNF unix machines):+For ATCA 
 + 
 +  * Scans not too short (ATCA loses 15 sec on scan change). 
 +  * Scans aligned with 5sec boundary (for ATCA) 
 +  * Encourage 1934-638 for flux calibration 
 +  * Check frequency of AUTOPHASE_DETERMINE scans 
 +  * AUTOPHASE_DETERMINE scans must have at least 1 min on 200 mJy source 
 +  * Do not AUTOPHASE_DETERMINE during the fringe finder section 
 + 
 +One way to check some of this is (as vlbi on ATNF unix machines):
  
   > vexsum.pl exper.skd   > vexsum.pl exper.skd
lbaops/lbaobservingnotes/vexcheck.1452047859.txt.gz · Last modified: 2016/01/06 13:37 by cormac