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

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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.1409-3 (08/2023)

Approved in 2023-08-23

Status : In force (Main)

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English

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553641 bytes

2023-08-30

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795503 bytes

2023-08-30

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2024-04-30

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2024-04-30

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589127 bytes

2024-04-25

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2024-04-25

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2024-04-30

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772669 bytes

2024-04-30

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2024-04-26

R 70000

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2024-04-26