DV18 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 26 October 2011

Issues Tracked

  • VERTEX-621: NA Antenna Antenna Acceptance Tests -- Antenna 9018 (DV18) Acceptance Tests -- Pointing
    • Acceptance testing.

-- JeffMangum - 2011-10-26

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 2011-11-18
  +  
Day 2
Completed 2011-11-19
  +  
Day 3
Completed 2011-11-20 (no data; clouds)
  +  
Day 4
Completed 2011-11-21
  +  
Day 5
Completed 2011-11-22
  +  
Day 6
Completed 2011-11-23 (no data: antenna problem)
  +  
Day 7
Completed 2011-11-24
  +  
Day 8
Completed 2011-11-25
  +  
Day 9
Completed 2011-11-26
  +  
Day 10
Completed 2011-11-27
  +  
Day 11
Completed 2011-11-28
  +  
Day 12
Completed 2011-11-29
  +  
Day 13
Completed 2011-11-30
  +  
Day 14
Completed 2011-12-01
  
  

Offset Pointing

(todo - todo done - done )

 +
State Item Comment  
(Az,El) = (0,30)
Completed 2011-11-21 at (333,30)
  +  
(Az,El) = (0,45)
Attempted 2011-11-24 at (19,51); El drift +-0.5 arcsec.
Completed 2011-11-25 at (357,36)
  +  
(Az,El) = (0,60)
Attempted 2011-11-21 at (12,58): El drift +-0.5 arcsec.
Completed 2011-11-27 at (0,62)
  +  
(Az,El) = (0,75)
Attempted 2011-11-22 at (338,74): El drift +-0.75 arcsec.
Completed 2011-11-25 at (335,73)
  +  
(Az,El) = (60,30)
Completed 2011-11-24 at (53,31)
Completed again 2011-11-24 at (49,34)
  +  
(Az,El) = (60,45)
Completed 2011-11-18 at (42,48)
  +  
(Az,El) = (60,60)
Completed 2011-11-21 at (71,62)
  +  
(Az,El) = (60,75)
Completed 2011-11-28 at (62,72)
Completed again 2011-11-28 at (53,75)
  +  
(Az,El) = (120,30)
Completed 2011-11-25 at (127,35)
  +  
(Az,El) = (120,45)
Completed 2011-11-25 at (127,41)
  +  
(Az,El) = (120,60)
Completed 2011-11-19 at (148,63)
  +  
(Az,El) = (120,75)
Completed 2011-11-27 at (128,70)
Completed again 2011-11-27 at (133,72)
  +  
(Az,El) = (180,30)
Completed 2011-11-21 at (169,35)
  +  
(Az,El) = (180,45)
Completed 2011-11-24 at (178,38)
  +  
(Az,El) = (180,60)
Completed 2011-11-19 at (151,62)
  +  
(Az,El) = (180,75)
Completed 2011-11-19 at (167,68)
  +  
(Az,El) = (240,30)
Completed 2011-11-22 at (214,37)
  +  
(Az,El) = (240,45)
Completed 2011-11-22 at (213,40)
  +  
(Az,El) = (240,60)
Completed 2011-11-24 at (248,51)
  +  
(Az,El) = (240,75)
Completed 2011-11-25 at (244,68)
  +  
(Az,El) = (300,30)
Completed 2011-11-22 at (308,36)
  +  
(Az,El) = (300,45)
Attempted 2011-11-22 at (312,38): El drift +-0.5 arcsec.
Completed 2011-11-23 at (316,41)
  +  
(Az,El) = (300,60)
Completed 2011-11-24 at (296,61)
  +  
(Az,El) = (300,75)
Completed 2011-11-22 at (321,71)
  
  

-- JeffMangum - 2011-10-26

Pointing Model Coefficients

All units arcsec.

Date Pad IA IE CA NPAE AN AW HECE HESE
22 September 2011
SEF1
477.12
-685.66
-44.38
-31.93
-9.30
+62.11
-8.69
-47.14

Date Pad HACA HASA HACA2 HASA2 HECA2 HESA2 HECA3 HESA3 HACA3 HASA3
22 September 2011
SEF1
+0.13
+1.28
-1.07
-0.50
-1.01
-0.85
-0.42
-0.64
-0.08
-0.31

-- JeffMangum - 2011-10-26
Topic revision: r18 - 2011-12-01, JeffMangum
This site is powered by FoswikiCopyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding NRAO Public Wiki? Send feedback