International Mobile Satellite Organization

Ben Hutchinson

Shinichi Nomoto

Dennis Roy Mullins

Patrick Chomet

Samuel G Munoz-Garcia

Peter Poskett

A communication station for generating or receiving an angularly dispersed array of radiation beams, comprising an array of radiating elements ( ) defining an array antenna ( ); and a beam former ( ), the beam former comprising a passive network having a first side (X) carrying a plurality of beam ports for electrical signals corresponding to the beams and a second side (Y) carrying a plurality of antenna ports corresponding to the radiating elements, each beam port being connected to a plurality of antenna ports via a network ( ) of power divider ( ) and phase shifter ( ) components, the phase shifts of which are in integer multiples of a predetermined constant, so as to generate the array of beams; in which the array antenna ( ) has triangular or hexagonal symmetry and the array of beams has triangular or hexagonal symmetry.

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Rockville, MD, United States of America

Ben Hutchinson