Wide angle horn feed closely spaced to main reflector

Claim 1

A MICROWAVE ANTENNA, COMPRISING: FOCUSING WAVE TRANSLATION MEANS HAVING A BOUNDED ILLUMINATION APERTURE AND A FOCAL POINT, SAID FOCAL POINT AND SAID ILLUMINATION APERTURE BOUNDARY DEFINING AN ILLUMINATION ANGLE; PRIMARY WAVE TRANSLATION MEANS FOR ILLUMINATING SAID FOCUSING MEANS AND INCLUDIONG A PRIMARY MEMBER HAVING A BOUNDED PRIMARY WAVE TRANSLATION APERTURE FORMED THEREION AND TAPERED WAVE TRANSLATION SURFACES DEFINING WITH SAID PRIMARY APERTURE A PRIMARY WAVE TRANSLATION APERTURE ANGLE HAVING AN APEX AT AN INTERNAL POINT, THE MAXIMUM DIMENSION FROM SAID APEX TO SAID PRIMARY APERTURE MINUS THE MINIMUM DIMENSION FROM SAID APEX TO SAID PRIMARY APERTURE BEING GREATER THAN ONE HALF WAVELENGTH OF TRANSLATED ENERGY, SAID PRIMARY WAVE TRANSLATION ANGLE BEING AT LEAST SUBSTANTIALLY EQUAL TO SAID ILLUMINATION ANGLE, SAID PRIMARY MEMBER BEIONG SPACED FROM SAID FOCUSING WAVE TRANSLATION MEANS AND DO SISPOSED THAT SAID APEX SUBSTANTIALLY COINCIDES WITH SIAD ILLUMINATION FOCAL POINT AND SAID PRIMARY ANGLE SUBSTANTIALLY COINCIDES WITH SAID ILLUMINATION ANGLE; RADIATION SUPPRESSION MEANS MOUNTED INTERNALLY OF SAID PRIMARY MEMBER AND COUPLED TO SAID TAPERED WAVE TRANSLATION SURFACES FOR MODIFYING THE BOUNDARY CONDITIONS FOR WAVES EMANATING FROM SAID PRIMARY MEMBER; AND MEANS FOR COUPLING SAID MEMBER TO A SOURCE OF MICROWAVE ENERGY.