P.531�:�Ionospheric propagation data and prediction methods required for the design of satellite services and systems

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P.531�:�Ionospheric propagation data and prediction methods required for the design of satellite services and systems �

Recommendation P.531-12 (09/2013)

Approved in 2013-09-30

Status : Superseded

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2013-12-19

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2014-11-18

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