https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Multibeam_Feed_Array_-_Intel_229_-_model_Spacecraft_Reconfigurable_Multibeam_Antenna_Feed_Network%2C_Ford_Aerospace_%26_Communications_Corporation%2C_March_1986_-_National_Electronics_Museum_-_DSC00547.JPG/330px-Multibeam_Feed_Array_-_Intel_229_-_model_Spacecraft_Reconfigurable_Multibeam_Antenna_Feed_Network%2C_Ford_Aerospace_%26_Communications_Corporation%2C_March_1986_-_National_Electronics_Museum_-_DSC00547.JPG