ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
Latest
ITU-R P.372-13-2016
Scope
Recommendation ITU-R P.372 provides information on the background levels of radio-frequency noise in the frequency range from 0.1 Hz to 100 GHz. It takes account of noise due to lightning@ to man-made sources@ to the galaxy and to the temperature of the lower atmosphere. Noise figures or temperatures are given to provide a basis for the estimation of system performance