• ITU-R Meeting schedule
• Meeting sessions / ​Virtual meeting sessions​​​
  
• ITU-R Event Registration and Practical Information
• SG 3 Wor​kshop - Activities of ITU-R SG 3 on​ radio-wave propagation​
  
• CCIR/ITU-R Study Groups 90th anniversary​​​​​

Software and Databanks (ITU-R P. Series Recommendations)  
• Software, Data and Validation examples for ionospheric and tropospheric propagation and radio noise
• Guide to ITU-R radio-wave propagation prediction methods​
  
• Formatted tables for the submission of data
• Databank DBSG3 English only
• Radio Noise Databank​ English only
• Fundamental indices of the ionospheric propagation English only​
• foF2 and M(3000)F2 data English only

   ITU Journal: ICT Discoveries​​​

   Emergency​ Radiocommunications​​​​

• Constitution and Convention 
  
• Final Acts of PP ​​
• Radio Regulations
  
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• Final A​cts WRC-23​
  
• Minutes of the WRC-23 Plenaries​
  
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• CA/270​ (Results of CPM27-1) ​​
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• Working methods (Resolution ITU-R 1)
• Guidelines for the working methods (updated on 16.02.24)​
  
• Format of ITU-R Recommendations
• ITU Style Guides 
• ITU Terms and Definitions Database 
• Structure of Radiocommunication Study Groups (Resolution ITU-R 4)
• Liaison and collaboration with other relevant organizations (Resolution ITU-R 9)

• ITU-R Questions - SG 3
• Recommendations - ITU-R P Series
  
• Guide to ITU-R radio-wave propagation prediction methods​
  
• Reports - ITU-R  P Series
  
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• Assignment of texts to the Study Group 3 Sub-Groups​ 
  

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• Administrative Circulars (CAR) - Archives

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• Rem​ote participation
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• ITU Patent Statement and Licensing Declaration Information
• ITU Software Copyright Guidelines
  (13 April 2012)
• Software Copyright Statement and Licensing Declaration form
  (13 April 2012)