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Preferred frequency bands and protection criteria for space research service observations (passive)

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You are here 主页 > ITU Publications > Radiocommunication (ITU-R) > ITU-R Questions > Science services > Preferred frequency bands and protection criteria for space research service observations (passive)

Question SG07.221

Managed by SG07
Main
Number
 Title Status
221/7
  		Preferred frequency bands and protection criteria for space research service observations (passive)  
 		In force (Main)

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