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South-up map orientation is the orientation of a map with south up, at the top of the map, amounting to a 180-degree rotation of the map from the standard convention of north-up. Maps in this orientation are sometimes called upside down maps or reversed maps. [citation needed] Other maps with non-standard orientation include T and O maps, polar ...
Download QR code; Print/export Download as PDF; Printable version; ... Soil map; Solar map; South-up map orientation; Spatiomap; Star chart; Straight-line diagram;
The projection found on these maps, dating to 1511, was stated by John Snyder in 1987 to be the same projection as Mercator's. [6] However, given the geometry of a sundial, these maps may well have been based on the similar central cylindrical projection, a limiting case of the gnomonic projection, which is the basis for a sundial. Snyder ...
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Orientation: Normal: Number of components: 3: Horizontal resolution: 200 dpi: Vertical resolution: 200 dpi: Data arrangement: chunky format: Software used: Adobe Photoshop Elements 15.0 (Windows) File change date and time: 07:52, 19 August 2020: Color space: sRGB: Date and time of digitizing: 00:15, 11 August 2020: Date metadata was last ...
The Fra Mauro world map is unusual, but typical of Fra Mauro's portolan charts, in that its orientation is with the south at the top. One explanation for why the map places south at the top is that 15th-century compasses were south-pointing. [6] In addition, south at the top was used in Arab maps of the time.
In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane. [1] [2] [3] In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the globe are transformed to coordinates on a plane.
The operator simply finds on the map the location of the target transmitter or receiver (i.e. the other antenna being communicated with) and uses the map to determine the azimuth angle needed to point the operator's antenna. The operator would use an electric rotator to point the antenna. The map can also be used in one way communication.