RECOMMENDATION ITU-R S.672-4* - Satellite antenna radiation pattern for use as a design objective ...
ANNEX 1 - Satellite antenna patterns in the fixed-satellite service
1 Satellite antenna reference radiation patterns
    1.1 Single feed circular beams
    1.2 Single feed elliptical beams
    1.3 Multiple feed shaped beams
2 Shaped beam radiation pattern models
    2.1 Representation of coverage area
    2.2 Equivalent peak gain
    2.3 Elemental beamlet size
    2.4 Development of co-polar pattern models
    2.5 Shaped beam pattern roll-off characteristics
    2.6 Reference pattern for intermediate scan ratios
ANNEX 2
1 Defining coverage area contours and gain contours about the coverage area
    1.1 Defining coverage area contours
    1.2 Gain contours about the coverage area contours