Lighthouse

Means of navigation equipment of the coast of large reservoirs in the form of a capital construction, quite often tower type, is used to map observed by the skipper of the painting with a specific place on the map with specified coordinates. The main requirement to the beacons, is the possibility of detecting and unambiguously identifying in any weather and at any time of the day using both visual observation and radar and detection by the sound. In modern automated lighthouses as a radiator, a system of pulsed light, which together with the optical system gives a directed light beam, and the radiation intensity of such a beacon may vary according to the certain laws peculiar only to this lighthouse. For unidentified, was adopted mostly in night and during heavy fog.

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