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Maidenhead locators are also commonly referred to as QTH locators, grid locators or grid squares, although the "squares" are distorted on any non-equirectangular cartographic projection. Use of the terms QTH locator and QRA locator was initially discouraged, as it caused confusion with the older QRA locator system.
This template takes a pair of geographic coordinates and converts them into a Maidenhead grid square. Use: {{Coor Maidenhead|lat|lon|link}} Where: lat is latitude. lon is longitude. link, when yes, puts the grid square in a link to the list of map sources.
Each of the five mapping pages, in addition to their specific functionality, also feature a set of map tools common to all. These are situated at the top of the map area in each of the mapping pages. Position - shows latitude/longitude and Maidenhead Locator at the mouse-pointer; also features a full dynamic Locator grid , showing greater ...
When the term 'grid square' is used, it can refer to a square with a side length of 10 km (6 mi), 1 km, 100 m (328 ft), 10 m or 1 m, depending on the precision of the coordinates provided. (In some cases, squares adjacent to a Grid Zone Junction (GZJ) are clipped, so polygon is a better descriptor of these areas.)
Maidenhead locator square "IO91", which covers part of Greater London, belongs to QRA locator square "ZL". The main squares are subdivided to 80 smaller squares, each one covering 12' by 7'30", and which are numbered from 01 to 80. The small squares are numbered from North to South and West to East. The northwest corner of the main square is ...
The term Grid square has multiple uses Maidenhead Locator System, a Geocode system used by radio amateurs worldwide; A 1 km 2 square defined by a National grid reference system, see Projected coordinate system#Grid reference encodings; A neighbourhood in Milton Keynes, England, see Milton Keynes#Grid roads and grid squares
Each code describes an area bounded by two parallels and two meridians out of a fixed grid, identified by the southwest corner and its size. The largest grid has blocks of 20 by 20 degrees (9 rows and 18 columns), and is divided in 20 by 20 subblocks up to four times. From that level onwards, division is in 5 by 4 subblocks.
Maidenhead was home to the amateur radio conference that agreed on the Maidenhead Locator System standard in 1980. It is located in grid square IO91pm. The average house price in Maidenhead in January 2021 was £540,940. [30]