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  Home : ITU-R : Publications : Recommendations : P Series : P.1409 : P.1409-2 (09/2021)
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P.1409 : Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 0.7 GHz  

Recommendation P.1409-2 (09/2021)

Approved in 2021-09-27

Status : Superseded

 

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