Continuous curves of epfddown versus the geostationary broadcasting-satellite service Earth station antenna diameter to indicate the protection afforded by systems complying with the limits of antennas with diameters other than those in Article 22 of the Radio Regulations
epfddown与地球同步广播卫星服务地球站天线直径之间的连续曲线 以表明系统提供的保护符合《无线电条例》第22条以外直径天线的限制