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BASELINE & TREVERSE MEASUREMENTS
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Coast-Geodetic-Survey
Geodesy
Triangulation
Baseline & Treverse Measurements
Geodesy
First C&GS; electronic base line measurements.Base crossings by ship over Shoran network.Minimum value from two range-range stations gives distance.C&GS; Ship EXPLORER
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First Tellurometer traverse by C&GS.;Atka Island traverse.Party off of EXPLORER
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Tellurometer traverse in Alaska
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Tellurometer traverse at Columbia Glacier
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Tellurometer traverse somewhere cold and miserable.Note clouds below station
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Electro-chain measurements at Sawmill Bay.
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Shore camp for Tellurometer and angle measurements.Party off of PATHFINDER
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Lester B. Smith making Tellurometer observations.Off of SURVEYOR
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Electro-chain observations.Off of PATHFINDER
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Laser beam from Geodimeter.Transcontinental traverse party of Woodrow Johnson
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Laser beam from Geodimeter.Transcontinental traverse party of Woodrow Johnson
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Claude Stevens operating Geodimeter.Transcontinental traverse party of Woodrow Johnson
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Signal light used for triangulation work.Transcontinental traverse party of Woodrow Johnson
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Prismatic mirrors for reflecting laser light beam.Transcontinental traverse party of Woodrow Johnson
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Operating a model CA1000 Tellurometer which was a microwave distancemeasuring instrument.
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HP Model 3810 Total Station instrument used for calibrating shipnavigation system. Off of NOAA Ship PEIRCE
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HP Model 3810 Total Station instrument used for calibrating shipnavigation system. Off of NOAA Ship PEIRCE
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HP Model 3810 Total Station instrument used for calibrating shipnavigation system. Off of NOAA Ship PEIRCE
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