ITU R P 372:2009
ITU R P 372:2009 Radio Noise
Table of Contents
Scope1Sourcesofradionoise
2Termsforthespecificationofnoiseintensityandtheir
interrelationship
3Noiselevelsasafunctionoffrequency
4NoisefromatmosphericgasesandtheEarth'ssurface
5Man-madenoise
6Brightnesstemperatureduetoextra-terrestrialsources
7Atmosphericnoiseduetolightning
8Thecombinationofnoisesfromseveralsources