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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2023-08-30

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795503 bytes

2023-08-30

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731163 bytes

2024-06-17

A�70000�

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1171195 bytes

2024-06-17

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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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Fran�ais

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2024-04-30

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2024-04-30

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2024-04-26

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2024-04-26

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