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Ephemeris Time

Published online by Cambridge University Press:  18 January 2010

D. H. Sadler
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Extract

A New measure of time, Ephemeris Time, has recently been introduced by astronomers. The purpose of this short article is to explain briefly why this has been necessary and how it will affect navigation.

Type
Research Article
Information
The Journal of Navigation , Volume 8 , Issue 1 , January 1955 , pp. 57 - 59
Copyright
Copyright © The Royal Institute of Navigation 1955

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