DV12 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 05 January 2011

Issues Tracked

  • VERTEX-615: NA Antenna Antenna Acceptance Tests -- Antenna 9012 (DV12) Acceptance Tests -- Pointing
    • Acceptance testing.

-- JeffMangum - 2011-01-05

Test Matrix Progress Tracking

Tracking Performance

(todo - todo done - done )

 +
State Item Comment  
15 Minute Tracking Test
 
  
  

All-Sky Pointing

(todo - todo done - done )

 +
State Item Comment  
Day 1
Completed 2011-01-05
  +  
Day 2
Completed 2011-01-06
  +  
Day 3
Completed 2011-01-07
  +  
Day 4
Completed 2011-01-08
  +  
Day 5
Completed 2011-01-09
  +  
Day 6
Completed 2011-01-10 (no data)
  +  
Day 7
Completed 2011-01-11 (no data)
  +  
Day 8
Completed 2011-01-12
  +  
Day 9
Completed 2011-01-13
  +  
Day 10
Completed 2011-01-14 (no data)
  +  
Day 11
Completed 2011-01-15
  +  
Day 12
Completed 2011-01-16
  +  
Day 13
Completed 2011-01-17
  +  
Day 14
Completed 2011-01-18 (no data)
  
  

Offset Pointing

(todo - todo done - done )

 +
State ^ Item Comment  
(Az,El) = (0,75)
Completed 2011-01-09 at (334,80)
  +  
(Az,El) = (60,75)
Attempted 2011-01-18 at (57,78); (Az,El) drift = +-(1.0,1.0) arcsec.
Attempted 2011-01-20 at (48,78); (Az,El) drift = +-(10.5,1.0) arcsec.
Attempted 2011-01-21 at (42,74); (Az,El) drift =+-(0.5,1.0) arcsec.
Completed 2011-01-21 at (42,74)
  +  
(Az,El) = (120,75)
Completed 2011-01-18 at (115,76)
  +  
(Az,El) = (180,75)
Attempted 2011-01-21 at (180,72); Az drift +-0.5 arcsec with El offset 1 arcsec for first 8.
Attempted again 2011-01-21 at (180,72); (Az,El) drift =+-(0.5,1.0) arcsec.
Completed 2011-01-22 at (168,73)
  +  
(Az,El) = (240,75)
Completed 2011-01-22 at (240,72)
  +  
(Az,El) = (300,75)
Attempted 2011-01-16 at (300,79); El drift +-1 arcsec throughout run.
Completed 2011-01-20 at (303,78)
  
(Az,El) = (0,30)
Completed 2011-01-08 at (3,29)
  +  
(Az,El) = (0,45)
Completed 2011-01-08 at (354,48)
  +  
(Az,El) = (0,60)
Attempted 2011-01-09 at (3,67); El drift +-1 arcsec.
Completed 2011-01-16 at (351,60)
  +  
(Az,El) = (60,30)
Attempted 2011-01-17 at (48,26); (Az,El) drift =+-(0.5,1.0) arcsec.
Attempted twice 2011-01-22 at (43,22); (Az,El) drift of +-(0.5,1.0) and +-(0.5,0.75) arcsec, respectively
Completed 2011-01-29 at (66,33)
  +  
(Az,El) = (60,45)
Completed 2011-01-11 at (66,47)
  +  
(Az,El) = (60,60)
Completed 2011-01-18 at (55,62)
Attempted 2011-01-21 at (38,64); (Az,El) drift =+-(0.5,2.0) arcsec.
  +  
(Az,El) = (120,30)
Completed 2011-01-16 at (120,32)
  +  
(Az,El) = (120,45)
Attempted 2011-01-12 at (127,51); El drift +-1 arcsec.
Completed 2011-01-13 at (123,42)
  +  
(Az,El) = (120,60)
Attempted 2011-01-11 at (124,54); El drift +-1 arcsec.
Completed 2011-01-13 at (118,59)
  +  
(Az,El) = (180,30)
Attempted 2011-01-20 at (181,33); (Az,El) drift = +-(0.5,1.0) arcsec.
Completed 2011-01-21 at (180,32)
Completed again 2011-01-21 at (180,32)
  +  
(Az,El) = (180,45)
Attempted 2011-01-17 at (170,45); El drift +-0.5 arcsec.
Attempted 2011-01-21 at (165,43); Excessive Az scatter +-2 arcsec first half of run.
Completed 2011-01-21 at (165,43)
  +  
(Az,El) = (180,60)
Attempted 2011-01-12 at (175,59); Double star in group?
Completed 2011-01-16 at (187,65)
  +  
(Az,El) = (240,30)
Attempted 2011-01-13 at (244,35); Az offset first 6 measurements
Completed 2011-01-15 at (246,31)
  +  
(Az,El) = (240,45)
Attempted 2011-01-13 at (270,38); El drift +-1 arcsec throughout run
Completed 2011-01-18 at (255,44)
  +  
(Az,El) = (240,60)
Completed 2011-01-15 at (224,61)
  +  
(Az,El) = (300,30)
Completed 2011-01-15 at (321,29)
  +  
(Az,El) = (300,45)
Completed 2011-01-15 at (313,45)
  +  
(Az,El) = (300,60)
Attempted 2011-01-17 at (290,52); El drift +-0.5 arcsec.
Completed 2011-01-20 at (328,62)
  +  
  

-- JeffMangum - 2011-01-05

Pointing Model Coefficients

All units arcsec.

Date Pad IA IESorted ascending CA NPAE AN AW HECE HESE
 
SEF1
 
 
 
 
 
 
 
 

Date Pad HACA HASA HACA2 HASA2 HECA2 HESA2 HECA3 HESA3 HACA3 HASA3
 
SEF1
 
 
 
 
 
 
 
 
 
 

-- JeffMangum - 2011-01-05
Topic revision: r16 - 2011-01-29, JeffMangum
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