DV04 Fast Switching Issues and Tracking


TIP Last Update: JeffMangum - 10 January 2010

Test Matrix Progress Tracking

Note: All entries assume measurements at P=0, 90, and 225. Notes regarding servo tuning during these measurements:

(todo - todo done - done )

 +
State Item Comment  
(Az,El) = (0,30) Completed 2010-01-08: no failures   +  
(Az,El) = (0,45) Completed 2010-01-09: no failures   +  
(Az,El) = (0,60) Completed 2010-01-09: no failures   +  
(Az,El) = (60,30) Attempted 2010-01-09; failures P0/P90/P225 = 0/0/2. Metrology may have not been properly set, so re-do.
Completed 2010-01-27; failures P0/P90/P225 = 2,4,1.
  +  
(Az,El) = (60,45) Completed 2010-01-09; failures P0/P90/P225 = 3/2/0.   +  
(Az,El) = (60,60) Completed 2010-01-10: failures P0/P90/P225 = 22/3/9.   +  
(Az,El) = (120,30) Completed 2010-01-11: failures P0/P90/P225 = 0/7/0   +  
(Az,El) = (120,45) Completed 2010-01-11: failures P0/P90/P225 = 3/3/0   +  
(Az,El) = (120,60) Completed 2010-01-11: failures P0/P90/P225 = 23/0/0   +  
(Az,El) = (180,30) Attempted 2010-01-11: failures P0/P90/P225 = 0/0/0 (but there were two switches which failed the 0.6 arcsec spec). Wind speeds likely outside primary operating conditions, so should re-do this position.
Completed 2010-01-29: failures P0/P90/P225 = 0/0/0
  +  
(Az,El) = (180,45) Completed 2010-01-11: failures P0/P90/P225 = 3/0/0   +  
(Az,El) = (180,60) Completed 2010-01-12: failures P0/P90/P225 = 10/0/6 (with one switch missing the 0.6 arcsec spec)   +  
(Az,El) = (240,30) Completed 2010-01-12: failures P0/P90/P225 = 0/9/1   +  
(Az,El) = (240,45) Completed 2010-01-12: failures P0/P90/P225 = 0/15/0   +  
(Az,El) = (240,60) Attempted 2010-01-13, but antenna tracking problems make these data unusable.
Completed 2010-01-29: failures P0/P90/P225 = 2/21/0
  +  
(Az,El) = (300,30) Attempted 2010-01-13, but antenna tracking problems make these data unusable.
Completed 2010-01-29: failures P0/P90/P225 = 0/8/12
  +  
(Az,El) = (300,45) Completed 2010-01-29: failures P0/P90/P225 = 1/22/1   +  
(Az,El) = (300,60) Completed 2010-01-29: failures P0/P90/P225 = 0/27/0   
  

-- JeffMangum - 2010-01-10
Topic revision: r6 - 2010-01-29, JeffMangum
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