DV25 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 17 October 2012

Issues Tracked

  • VERTEX-628: NA Antenna Antenna Acceptance Tests -- Antenna 9025 (DV25) Acceptance Tests -- Pointing
    • Acceptance testing.

-- JeffMangum - 17 October 2012

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 2012-10-17
  +  
Day 2
Completed 2012-10-18
  +  
Day 3
Completed 2012-10-19
  +  
Day 4
Completed 2012-10-20
  +  
Day 5
Completed 2012-10-21
  +  
Day 6
Completed 2012-10-22
  +  
Day 7
Completed 2012-10-23
  +  
Day 8
Completed 2012-10-24
  +  
Day 9
Completed 2012-10-25
  +  
Day 10
Completed 2012-10-26
  +  
Day 11
Completed 2012-10-27 (no usable data)
  +  
Day 12
Completed 2012-10-28 (no usable data; cloudy)
  +  
Day 13
Completed 2012-10-29 (no usable data)
  +  
Day 14
Completed 2012-10-30
  
  

Offset Pointing

(todo - todo done - done )

 +
State Item Comment  
(Az,El) = (0,30)
Completed 2012-10-19 at (2,27)
  +  
(Az,El) = (0,45)
Completed 2012-10-23 at (359,40)
  +  
(Az,El) = (0,60)
Attempted 2012-10-26 at (357,58); El drift +-1 arcsec.
Completed 2012-10-29 at (354,60)
  +  
(Az,El) = (0,75)
Completed 2012-11-01 at (356,71)
  +  
(Az,El) = (60,30)
Completed 2012-10-29 at (50,33)
  +  
(Az,El) = (60,45)
Completed 2012-10-25 at (51,43)
  +  
(Az,El) = (60,60)
Completed 2012-11-01 at (61,59)
  +  
(Az,El) = (60,75)
Completed 2012-10-19 at (46,76)
  +  
(Az,El) = (120,30)
Completed 2012-10-31 at (124,30)
  +  
(Az,El) = (120,45)
Completed 2012-11-01 at (117,47)
  +  
(Az,El) = (120,60)
Attempted 2012-10-28 at (117,62); El drift +-0.5 arcsec.
Completed 2012-10-31 at (124,60)
  +  
(Az,El) = (120,75)
Completed 2012-10-21 at (136,70)
  +  
(Az,El) = (180,30)
Completed 2012-11-02 at (203,31)
  +  
(Az,El) = (180,45)
Attempted 2012-10-26 at (168,45); El drift +-0.5 arcsec.
Attempted again 2012-10-28 at (117,62); El drift +-0.5 arcsec.
Completed 2012-10-31 at (175,39)
  +  
(Az,El) = (180,60)
Completed 2012-10-22 at (176,57)
  +  
(Az,El) = (180,75)
Completed 2012-10-31 at (190,71)
  +  
(Az,El) = (240,30)
Completed 2012-10-21 at (243,30)
  +  
(Az,El) = (240,45)
Completed 2012-10-27 at (250,49)
  +  
(Az,El) = (240,60)
Attempted 2012-10-27 at (249,61); El drift +-0.5 arcsec.
Completed 2012-11-01 at (242,60)
  +  
(Az,El) = (240,75)
Completed 2012-10-27 at (240,74)
  +  
(Az,El) = (300,30)
Completed 2012-10-22 at (292,28)
  +  
(Az,El) = (300,45)
Completed 2012-10-25 at (290,40)
  +  
(Az,El) = (300,60)
Completed 2012-10-26 at (324,53)
  +  
(Az,El) = (300,75)
Completed 2012-11-02 at (282,74)
  
  

-- JeffMangum - 2012-10-17

Pointing Model Coefficients

All units arcsec.

Date Pad IA IE CA NPAE AN AW HECE HESE
15 December 2011
SEF1
-330.14
+61.28
+53.06
-23.75
+7.81
+70.74
-8.61
-38.69

Date Pad HACA HASA HACA2 HASA2 HECA2 HESA2 HECA3 HESA3 HACA3 HASA3
15 December 2011
SEF1
+1.40
-0.27
+1.13
-1.17
-0.68
-0.27
+0.68
-0.63
+0.08
-0.01

-- JeffMangum - 2012-10-17
Topic revision: r18 - 2012-11-02, JeffMangum
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