DV24 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 21 August 2012

Issues Tracked

  • VERTEX-627: NA Antenna Antenna Acceptance Tests -- Antenna 9024 (DV24) Acceptance Tests -- Pointing
    • Acceptance testing.

-- JeffMangum - 2012-08-21

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 2012-08-21
  +  
Day 2
Completed 2012-08-22 (no usable data)
  +  
Day 3
Completed 2012-08-23
  +  
Day 4
Completed 2012-08-24
  +  
Day 5
Completed 2012-08-25
  +  
Day 6
Completed 2012-08-26
  +  
Day 7
Completed 2012-08-27 (no data; cloudy)
  +  
Day 8
Completed 2012-08-28
  +  
Day 9
Completed 2012-08-29
  +  
Day 10
Completed 2012-08-30
  +  
Day 11
Completed 2012-08-31
  +  
Day 12
Completed 2012-09-01
  +  
Day 13
Completed 2012-09-02 (no data; cloudy)
  +  
Day 14
Completed 2012-09-03
  
  

Offset Pointing

(todo - todo done - done )

 +
State Item Comment  
(Az,El) = (0,30)
Completed 2012-08-29 at (346,29)
  +  
(Az,El) = (0,45)
Completed 2012-08-23 at (351,40)
  +  
(Az,El) = (0,60)
Completed 2012-08-31 at (352,57)
  +  
(Az,El) = (0,75)
Attempted 2012-08-31 at (337,73); El drift +-0.5 arcsec.
Completed 2012-09-03 at (355,73)
  +  
(Az,El) = (60,30)
Completed 2012-09-01 at (61,34)
  +  
(Az,El) = (60,45)
Completed 2012-08-23 at (57,41)
  +  
(Az,El) = (60,60)
Completed 2012-09-03 at (53,70)
  +  
(Az,El) = (60,75)
Attempted 2012-09-03 at (45,73); El drift +-0.5 arcsec.
Completed 2012-09-04 at (56,73)
  +  
(Az,El) = (120,30)
Completed 2012-09-04 at (110,32)
  +  
(Az,El) = (120,45)
Completed 2012-08-31 at (114,42)
  +  
(Az,El) = (120,60)
Completed 2012-09-01 at (117,61)
  +  
(Az,El) = (120,75)
Completed 2012-09-01 at (152,73)
  +  
(Az,El) = (180,30)
Completed 2012-08-29 at (190,32)
  +  
(Az,El) = (180,45)
Completed 2012-09-02 at (190,43)
  +  
(Az,El) = (180,60)
Completed 2012-08-25 at (180,62); Metrology stiction in El first half of run.
  +  
(Az,El) = (180,75)
Attempted 2012-09-04 at (195,75); El drift +-0.5 arcsec.
Completed 2012-09-05 at (177,69) and (193,68)
  +  
(Az,El) = (240,30)
Completed 2012-08-26 at (232,25)
  +  
(Az,El) = (240,45)
Completed 2012-08-29 at (221,44)
  +  
(Az,El) = (240,60)
Attempted 2012-08-31 at (253,55); Major El drift +-1.5 arcsec
Completed 2012-09-02 at (238,62)
  +  
(Az,El) = (240,75)
Completed 2012-09-02 at (235,68)
  +  
(Az,El) = (300,30)
Completed 2012-08-25 at (298,25)
  +  
(Az,El) = (300,45)
Completed 2012-08-30 at (305,46)
  +  
(Az,El) = (300,60)
Completed 2012-08-30 at (302,62)
  +  
(Az,El) = (300,75)
Completed 2012-08-30 at (293,68)
  
  

-- JeffMangum - 2012-04-20

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 - 2012-08-21
Topic revision: r15 - 2012-09-05, JeffMangum
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