The first stage of the European LowFrequency Array (Lofar) telescope involves 96 radio antennae being erected this week in a field at the Chilbolton Observatory near Andover, Hampshire.
Lofar望远镜的一期工程位于罕布什尔的安多佛,由96个无线电天线组成的望远镜将在本周被安装完毕。
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What is needed is a system that USES low-frequencyradio waves.
这需要的是一种利用低频无线电波的系统。
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The other problem is that submarines receive messages using low-frequencyradio waves that can penetrate water, but only a few characters per second can be transmitted at these frequencies.