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2. Well-known text representation of coordinate reference systems

   en.wikipedia.org/wiki/Well-known_text...

   Well-known text representation of coordinate reference systems ( WKT or WKT-CRS) is a text markup language for representing spatial reference systems and transformations between spatial reference systems. The formats were originally defined by the Open Geospatial Consortium (OGC) and described in their Simple Feature Access [1] and Well-known ...

3. Well-known text representation of geometry - Wikipedia

   en.wikipedia.org/wiki/Well-known_text...

   Well-known text ( WKT) is a text markup language for representing vector geometry objects. A binary equivalent, known as well-known binary ( WKB ), is used to transfer and store the same information in a more compact form convenient for computer processing but that is not human-readable. The formats were originally defined by the Open ...

4. Web Mercator projection - Wikipedia

   en.wikipedia.org/wiki/Web_Mercator_projection

   Properties. Web Mercator is a slight variant of the Mercator projection, one used primarily in Web-based mapping programs. It uses the same formulas as the standard Mercator as used for small-scale maps. However, the Web Mercator uses the spherical formulas at all scales whereas large-scale Mercator maps normally use the ellipsoidal form of the ...

5. Irish Transverse Mercator - Wikipedia

   en.wikipedia.org/wiki/Irish_Transverse_Mercator

   Irish Transverse Mercator ( ITM) is the geographic coordinate system for Ireland. It was implemented jointly by the Ordnance Survey Ireland (OSi) and the Ordnance Survey of Northern Ireland (OSNI) in 2001. The name is derived from the Transverse Mercator projection it uses and the fact that it is optimised for the island of Ireland.

6. Unit commitment problem in electrical power production

   en.wikipedia.org/wiki/Unit_Commitment_Problem_in...

   The unit commitment problem ( UC) in electrical power production is a large family of mathematical optimization problems where the production of a set of electrical generators is coordinated in order to achieve some common target, usually either matching the energy demand at minimum cost or maximizing revenue from electricity production.

7. Fix problems with third-party mail applications - AOL Help

   help.aol.com/articles/why-cant-i-access-my-aol...

   1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Fix problems with third-party mail applications. If you're having problems accessing AOL Mail through third-party applications, such as Outlook or Thunderbird, try troubleshooting with these suggestions to make sure ...

8. Short circuit ratio (electrical grid) - Wikipedia

   en.wikipedia.org/wiki/Short_circuit_ratio...

   In an electrical grid, the short circuit ratio (or SCR) is the ratio of the short circuit apparent power (SCMVA) in the case of a line-line-line-ground (3LG) fault at the location in the grid where some generator is connected to the power rating of the generator itself (GMW). Since the power that can be delivered by the grid varies by location ...

9. British Thomson-Houston - Wikipedia

   en.wikipedia.org/wiki/British_Thomson-Houston

   General Electric. British Thomson-Houston (BTH) was a British engineering and heavy industrial company, based at Rugby, Warwickshire, England. Originally founded to sell products from the Thomson-Houston Electric Company, it soon became a manufacturer using licences from the American company. They were known primarily for their electrical ...