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Polar Motion and Earth Rotation Monitoring in Canada

Published online by Cambridge University Press:  14 August 2015

J. Popelar
J. Popelar*
Affiliation:
Earth Physics Branch, Department of Energy, Mines and Resources, Ottawa, Canada

Extract

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PZT observations of the Earth's rotation and polar motion have been carried out from observatories near Ottawa and Calgary since 1952 and 1968 respectively. A comprehensive re-evaluation and analysis of the PZT data is currently under way, using a new self-contained computer program which can easily accommodate changes of astronomical constants as well as modifications of the star catalogue.

Type
Part I: Time
Information
Symposium - International Astronomical Union , Volume 82: Time and the Earth's Rotation , 1979 , pp. 73 - 74
Copyright
Copyright © Reidel 1979