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A light with more light than dark (is on for longer than it is off). Occulting refers to a type of navigational light in which the light is regularly visible but intermittently obscured at regular intervals. The light is on for longer periods than off, creating a distinctive pattern for mariners to recognise and use…
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A light where the duration of light and darkness are equal. Isophase describes a navigational aid that emits a light signal with equal periods of light and darkness. This results in the light appearing on for the same time as it is off, creating a distinctive flashing pattern that helps mariners identify the aid and…
If you belive the Earth is flat, you're about to fall of the end...
If you belive the Earth is flat, you're about to fall of the end...