Well, these parts of South Africa and Australia actually have some of the lowest radio interference anywhere in the world, and positioning elements in both those places gives it a catchment area that effectively spans two continents.

好吧， 南非和澳大利亚的这些地区实际上拥有世界上最低的无线电干扰，而这两个地方的定位元素使其成为有效跨越两大洲的集水区。