DV06 Metrology System Issues and Tracking


TIP Last Update: JeffMangum - 25 September 2009

Issues Tracked

Associated JIRA Tickets

Metrology Sensor IDs

  • Tiltmeter: SN 8215
  • Linear Sensor: SN??

Metrology System Calibration Constants

Date SN Pad AN0 (arcsec) AW0 (arcsec) SA2 (arcsec) SA3 (arcsec) phi2 (deg) phi3 (deg) NPAE (arcsec) Comments
8 November 2009
DV06
SEF1
-10.7
26.4
0.41
0.77
35.5
79.0
12
NPAE an average of CW(18.2) and CCW(5.3) measurements
8 January 2010
DV06
SEF1
-8.485
26.3025
0.36
0.79
7.64
83.23
12
Update following shutdown
8 January 2010
DV06
SEF1
-9.346
26.702
0.43
0.62
32.6
82.5
12
Fit to 360 rotation test

Tiltmeter Metrology System Calibration Offsets

Date SN Pad TiltXOffset (arcsec) TiltYOffset (arcsec) Tiltmeter Blanking Time (sec) Tiltmeter Filter Time (sec) Comments
8 November 2009
DV06
SEF1
9.046
13.55
2.0
1.0
 
8 January 2010
DV06
SEF1
4.813
10.448
2.0
1.0
New values after holiday shutdown

Linear Sensor Metrology System Calibration Offsets

Antenna Pad LS Offset 1A (mm) LS Offset 1B (mm) LS Offset 2A (mm) LS Offset 2B (mm) Comment
8 November 2009
SEF1
-0.020
0.010
0.002
0.009
 
8 January 2010
SEF1
-0.0181
0.0119
-0.0044
0.0026
New values after holiday shutdown

-- JeffMangum - 2009-09-25
Topic revision: r4 - 2010-01-08, JeffMangum
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