Dimensions of Nested Coaxial Feed

This file contains the dimensions of a nested coaxial waveguide feed antenna for radio telescope that covers two closely spaced octave bands.本文件包含一款适用于射电望远镜（radio telescope）、覆盖两个紧密间隔倍频程频段（octave bands）的嵌套同轴波导馈源天线（nested coaxial waveguide feed antenna）的尺寸参数。