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The International URSIGRAM and World Days Service

Published online by Cambridge University Press:  12 April 2016

P.A Simon
P.A Simon*
Affiliation:
Observatoire de Meudon

Extract

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Broad outlines of a permanent service involved in the prompt dissemenition of solar and geophysical data.

The Solar Activity has an effect on several modern technics. For instance, during a transient increase of solar UV flux, the trajectory of a low perigee satellite can slightly change, a ionospheric communication link can fade out or some scientific program can only be carried out during some outburst of the solar activity.

Type
B. Data Networks
Information
International Astronomical Union Colloquium , Volume 64: Automated Data Retrieval in Astronomy , 1982 , pp. 73 - 75
Copyright
Copyright © Reidel 1982