RECOMMENDATION ITU-R S.1586 - Calculation of unwanted emission levels produced by a non-geostationary FSS satellite ...
ANNEX 1 - Calculation of unwanted emission levels produced by a non-GSO FSS system at radio astronomy sites
1 Required parameters
2 Calculation of epfd levels at radio astronomy sites
    2.1 Definition of epfd
ANNEX 2 - Model of radio telescope antenna pattern
1 Model of main beam
2 Model of near side lobes up to 1 from the boresight
ANNEX 3 - Distribution of epfd levels
1 Division of the sky into cells of approximately equal solid angle
2 epfd distribution for a cell
3 epfd distribution in worst-case pointing directions (to be applied only if the pfd levels from satellites  ...
4 Output in terms of epfd distribution