Compared with modern satellite dishes, ordinary TV aerials look positively antiquated.和现代碟形卫星天线相比，普通的电视天线无疑是太过时了。With a satellite dish you can receive hundreds of channels.有了碟形卫星电视天线，你就可以接收到上百个台的电视节目。The coded signal is received by satellite dish aerials.编码信号由碟形卫星天线接收。