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Page 1: DRAFT - National Radio Astronomy Observatory foot experiment. derick deflection. oscillators. metrology lab. geosar. retroreflectors. autocollimator. horizontal feed arm deflection

DRAFT

Page 2: DRAFT - National Radio Astronomy Observatory foot experiment. derick deflection. oscillators. metrology lab. geosar. retroreflectors. autocollimator. horizontal feed arm deflection

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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