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 an​d M(3000)F2 data English only​

   ITU Journal: ICT Discoveries​​

• ITU-R Meeting schedule
• ITU-R Meeting sessions / ​Virtual meeting sessions​
  
• ITU-R Event Registration and Practical Information
• SG 3 Workshop - Applications of machine learning in radio-wave propagation prediction​​ ​- 27 May 2025 New !​​

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

• Cons​titu​tion and Convention 
  
• Final Acts of PP​ ​​
• Radio Regulations
• Rules of Procedure 
• Final Acts WRC​-23
  
• Minutes of the WRC-23 Plenaries​​
  
• WRC-23 decisions​​
  
• ​Plenary decisions of past WRCs not reflected in the Radio Regulations​
  
• CA/270​ (Results of CPM27-1) ​​
• RA-23​ Summary ​​Reports​​
• Working methods (Resolution ITU-R 1)
• Guidelines for the working methods  (updated on 16.02.24)​
  Note: This document is available in the six languages on the Study Group webpage​
  
• 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)

• Administrative Circulars (CA)
• Administrative Circulars (CACE)
• 3/LCCEs
  
• ​​​Circular Letters (CR)​​​
  
• Administrative Circulars (CAR) - Archives

• WP 3J Chair and Vice-Chairs​​
  
• Counsellor for SG 3

• Re​mote​ participation
• ITU-R Electronic facilities
• Webcast ​​​
  
  

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