ITU's 160 anniversary

Connecting the world and beyond

Study Group 3 (SG 3)

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Radio-wave propagation

Propagation of radio-waves in ionized and non-ionized media and the characteristics of radio noise, for the purpose of improving radiocommunication systems.

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