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Efficiency/Surface Measurements

Efficiency/Surface Measurements. Maddalena, Schwab, Ghigo, Chandler. OOF holography. Claire Chandler, Bojan Nikolic, April 2003. Data reduction support from George Moellenbrock Antenna Trajectory problems => poor pointing, high overhead.

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Efficiency/Surface Measurements

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  1. Efficiency/Surface Measurements Maddalena, Schwab, Ghigo, Chandler

  2. OOF holography • Claire Chandler, Bojan Nikolic, April 2003. Data reduction support from George Moellenbrock • Antenna Trajectory problems => poor pointing, high overhead. • Initial OOF software: calculations of optical model from Richard Hills. July 2003 – REH analytic model. • Repeatability from map to map under similar conditions < 200um. • Resolution on surface ~10m.

  3. W3oh el=11deg ch3oh FEM off

  4. W3oh el=12deg ch3oh FEM on

  5. Q-band efficiency measurements

  6. Q-band efficiency measurements

  7. Traditional Holography • See presentation by Fred Schwab

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