PEL Sector Light
The PEL sector light is a projector style marine beacon which is used to guide maritime vessels. It does this by projecting a colored sector out to sea with very sharp color changes as the mariner transitions from one sector to the next. Typical PEL sector lights will have a complete color change over 1 meter (sideways movement) when the mariner is 5 km from the beacon. The PEL's application becomes relevant to the mariner when combined with a local marine chart as each application of a PEL varies greatly. They are used for guiding vessels into harbor, traffic separation or to illuminate hazards. The main advantage to a PEL sector light is that it has very sharp transitions between colors (typical 0.05°) and is bright enough to be used in daylight with up to 10 Nautical Miles or 18.5 km visibility. Origin The term PEL is a generalized trademark of the Physics and Engineering Laboratory which was part of the Department of Scientific and Industrial Research (DSIR), a New ...
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Durban PEL
Durban ( ) ( zu, eThekwini, from meaning 'the port' also called zu, eZibubulungwini for the mountain range that terminates in the area), nicknamed ''Durbs'',Ishani ChettyCity nicknames in SA and across the worldArticle on ''news24.com'' from 25 October 2017. Retrieved 2021-03-05.The names and the naming of Durban
Website ''natalia.org.za'' (pdf). Retrieved 2021-03-05. is the third most populous city in after and