draft - national radio astronomy observatory foot experiment. derick deflection. oscillators....
TRANSCRIPT
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DRAFT
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John Payne
A tribute to the GBT experimental work
10/26/2006
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GBT NATURAL FREQUENCY
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ACTUATORS
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PANELS
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HYDROSTATIC LEVEL
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140 FOOT EXPERIMENT
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DERICK DEFLECTION
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OSCILLATORS
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METROLOGY LAB
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GeoSAR
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RETROREFLECTORS
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AUTOCOLLIMATOR
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HORIZONTAL FEED ARM DEFLECTION BY ADVISORY
COMMITTEE
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METROLOGY GROUP
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RANGER R&D
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RANGER CONSTRUCTION
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SUBREFLECTOR
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Other areas of interest• Servo/stiction• Performance measurement program• Powder paint deformations• Active damper for feed arm• Quadrant detector• Holography problems• Tertiary mirror• Wheel taper measurements