DV16 Pointing System Issues and Tracking


TIP Last Update: JeffMangum - 14 August 2011

Issues Tracked

  • VERTEX-619: NA Antenna Antenna Acceptance Tests -- Antenna 9016 (DV16) Acceptance Tests -- Pointing
    • Acceptance testing.

-- JeffMangum - 2011-08-14

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 2011-08-13
  +  
Day 2
Completed 2011-08-14
  +  
Day 3
Completed 2011-08-15
  +  
Day 4
Completed 2011-08-16 (no data)
  +  
Day 5
Completed 2011-08-17
  +  
Day 6
Completed 2011-08-18
  +  
Day 7
Completed 2011-08-19
  +  
Day 8
Completed 2011-08-20
  +  
Day 9
Completed 2011-08-21
  +  
Day 10
Completed 2011-08-22 (no data)
  +  
Day 11
Completed 2011-08-23
  +  
Day 12
Completed 2011-08-24
  +  
Day 13
Completed 2011-08-25 (no data)
  +  
Day 14
Completed 2011-08-26
  
  

Offset Pointing

(todo - todo done - done )

 +
State Item Comment  
(Az,El) = (0,30)
Attempted 2011-08-15 at (353,23); First 10 measurements offset 1 arcsec in (Az,El)
Completed 2011-08-15 at (350,23)
Completed again 2011-08-19 at (347,30)
Completed again 2011-08-19 at (345,30)
  +  
(Az,El) = (0,45)
Completed 2011-08-15 at (22,45); First measurement offset 0.5 arcsec in Az
  +  
(Az,El) = (0,60)
Completed 2011-08-21 at (350,58)
  +  
(Az,El) = (0,75)
Completed 2011-08-19 at (20,71)
Completed again 2011-08-19 at (10,72)
  +  
(Az,El) = (60,30)
Completed 2011-08-23 at (85,31)
Completed again 2011-08-23 at (85,33)
  +  
(Az,El) = (60,45)
Completed 2011-08-22 at (40,50)
Attempted 2011-08-22 at (35,51); Poor acquisition rate due to clouds.
Attempted again 2011-08-22 at (30,55); Poor acquisition rate due to clouds.
  +  
(Az,El) = (60,60)
Completed 2011-08-19 at (55,64)
Completed again 2011-08-19 at (50,65)
  +  
(Az,El) = (60,75)
Completed 2011-08-21 at (88,77)
  +  
(Az,El) = (120,30)
Completed 2011-08-21 at (117,29)
Completed again 2011-08-21 at (116,34)
  +  
(Az,El) = (120,45)
Completed 2011-08-21 at (114,44)
  +  
(Az,El) = (120,60)
Attempted 2011-08-18 at (116,56); El drift +-0.5 arcsec
Completed 2011-08-18 at (118,60)
  +  
(Az,El) = (120,75)
Completed 2011-08-24 at (110,75)
Completed again 2011-08-24 at (115,78)
  +  
(Az,El) = (180,30)
Attempted 2011-08-15 at (180,34); El drift +-0.5 arcsec
Completed 2011-08-20 at (199,31)
Completed again 2011-08-20 at (199,30)
  +  
(Az,El) = (180,45)
Completed 2011-08-22 at (183,41)
Completed again 2011-08-22 at (183,41)
  +  
(Az,El) = (180,60)
Completed 2011-08-24 at (207,54)
  +  
(Az,El) = (180,75)
Completed 2011-08-20 at (170,78)
Completed again 2011-08-20 at (182,78)
  +  
(Az,El) = (240,30)
Completed 2011-08-20 at (224,26)
Completed again 2011-08-20 at (223,24)
  +  
(Az,El) = (240,45)
Completed 2011-08-20 at (242,47)
Completed again 2011-08-20 at (242,45)
  +  
(Az,El) = (240,60)
Completed 2011-08-21 at (219,58)
  +  
(Az,El) = (240,75)
Completed 2011-08-21 at (240,75)
  +  
(Az,El) = (300,30)
Completed 2011-08-23 at (292,30)
Completed again 2011-08-23 at (290,28)
  +  
(Az,El) = (300,45)
Completed 2011-08-23 at (299,39)
Completed again 2011-08-23 at (298,38)
  +  
(Az,El) = (300,60)
Attempted 2011-08-24 at (305,63); El drift +-0.5 arcsec
Completed 2011-08-24 at (300,60)
  +  
(Az,El) = (300,75)
Completed 2011-08-18 at (320,72)
Completed again 2011-08-18 at (310,70)
Completed again 2011-08-22 at (270,70)
  
  

-- JeffMangum - 2011-01-05

Pointing Model Coefficients

All units arcsec.

Date Pad IA IE CA NPAE AN AW HECE HESE
14 August 2011
SEF1
599.32
846.98
-55.45
-32.81
-16.98
+40.93
-7.11
-41.18

Date Pad HACA HASA HACA2 HASA2 HECA2 HESA2 HECA3 HESA3 HACA3 HASA3
14 August 2011
SEF1
-1.35
-1.88
-1.30
+0.57
-0.45
+0.34
-0.14
-0.00
-0.55
+0.41

-- JeffMangum - 2011-08-14
Topic revision: r13 - 2011-08-26, JeffMangum
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