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  Home : ITU-R : Publications : Recommendations : P Series : P.681 : P.681-4 (10/99)
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P.681 : Propagation data required for the design of Earth-space land mobile telecommunication systems  

Recommendation P.681-4 (10/99)

Approved in 1999-10-15

Status : Superseded

 

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Updated : 2021-09-23