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Internet noise threatens emergency radio

发布时间:2019-03-03 08:12:01来源:未知点击:

By Barry Fox AFTER the tsunami hit Sri Lanka on 26 December, Victor Goonetilleke, head of the island’s amateur radio society, delivered a short-wave radio set and two 12-volt car batteries to the prime minister’s emergency headquarters in Colombo. At the same time, three of his friends drove through the devastation to Hambantota, on the hard-hit south-east coast, where they set up another battery-powered short-wave radio. For two days, while the military struggled to restore electricity supplies and phone lines,