Abstract
A system of marine navigation for channel, harbor, and bay areas has been developed that is independent of weather and darkness, and of human error. Two transmitters, operating on different frequencies, feed two cable loops located in the bed of the channel. Signals picked up and displayed on visual indicators guide watercraft along a 2-way traffic lane established by the cable loops Despite the progress in the field of communications in the last few decades, little advancement has been made in marine navigation. Present methods rely upon complex systems of buoys and markers which have become virtually impossible for a layman to understand and are even difficult for an experienced seaman to follow.
Published Version
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