A very good friend of mine, Donard de Cogan MOKRK, Fig. 1, recently made a presentation at our club, the Norfolk ARC. Various visual means of transmitting Morse are known, some more common than others. The one used at sea, semaphore, is probably the best known but I had not come across this before. It took a while to be able to decipher anything and I thought the topic would be an interesting item for this month's column. Donard has kindly offered to set it up again at the Barford rally in July.
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机译：我的好朋友Donard de Cogan MOKRK（图1）最近在我们的俱乐部Norfolk ARC上作了演讲。已知各种传输莫尔斯电报的视觉手段，其中一些比其他更为普遍。海上使用的信号灯可能是最著名的，但我之前从未见过。花费了一段时间才能够解密所有内容，我认为该主题对于本月的专栏文章而言将是一个有趣的话题。 Donard表示愿意在7月的Barford集会上再次进行设置。
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