You are here ITU > Home > ITU Publications > Radiocommunication (ITU-R) > publications
Share
You are here Home > ITU Publications > Radiocommunication (ITU-R) > ITU-R Questions > Radiowave propagation > Measurements and data banks of ionospheric characteristics and radio noise >
Question 222-3/3
Approved in 2012-02
Status : Superseded
Access : Free Download
Available languages and formats :
Click on the selected format and language to get the document
Word for Windows
