how latitude and longitude coordinates work
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Using the Latitude Longitude Coordinate System Using the Latitude Longitude Coordinate System. The latitude longitude coordinate system uses angular measurements to describe a position on the surface of the earth. The system has been in use, with little change, since the astronomer Ptolemy used them in his first world atlas in A.D. 150. Mariners and aviators have been the primary users of latitude/longitude in the past.
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How to Read GPS Coordinates Reading GPS Coordinates – Latitude and Longitude. The latitude and longitude based coordinate system is an angular coordinate system (which makes sense because the earth is a sphere). Thus positions (angular positions) are always calculated relative to two global references. The reference for latitudes is the equator. Places located North or South of the equator are given a relative angular position based on the following. 1 degree = 69 miles; a degree is further sub-divided into 60 minutes. 1 minute = 6072 feet; a minute in turn is sub-divided into 60 seconds.
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- This article shows how totransform local coordinates into a GPS-compatible coordinatesystem. UTM The UTM coordinate system is very popular for at least tworeasons.First,asthenamesuggests,itisapplicabletoanylocationonEarth between 80° south latitude and 84° north latitude, which isnot true for other coordinate systems.
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Latitude The graticule shows the latitude and longitude of points on the surface. In this example meridians are spaced at 6° intervals and parallels at 4° intervals. In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
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Longitude Longitude at a point may be determined by calculating the time difference between that at its location and Coordinated Universal Time (UTC). Since there are 24 hours in a day and 360 degrees in a circle, the sun moves across the sky at a rate of 15 degrees per hour (360°/24 hours = 15° per hour). So if the time zone a person is in is three hours ahead of UTC then that person is near 45° longitude (3 hours × 15° per hour = 45°).
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About latitude and longitude Latitude measures how far north or south of the equator a place is located. The equator is situated at 0°, the North Pole at 90° north (or 90°, because a positive latitude implies north), and the South Pole at 90° south (or –90°). Latitude measurements range from 0° to (+/–)90°. Longitude measures how far east or west of the prime meridian a place is located.
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Geographic coordinates of Babijn, Aruba Geographic coordinates (latitude and longitude) define a position on the Earth's surface. Coordinates are angular units. The canonical form of latitude and longitude representation uses degrees (°), minutes (′), and seconds (″).GPS systems widely use coordinates in degrees and decimal minutes, or in decimal degrees.Latitude varies from −90° to 90°. The latitude of the Equator is 0°; the latitude of the South Pole is −90°; the latitude of the North Pole is 90°.eographic coordinates (latitude and longitude) define a position on the Earth's surface. Coordinates are angular units. The canonical form of latitude and longitude representation uses degrees (°), minutes (′), and seconds (″).
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Units of Longitude and Latitude The demarcation of the longitude coordinate is done with lines going up and down are called the meridians. A figure to the right shows a few meridians. Longitude ranges from 0° to 180° East and 0° to 180° West. The longitude angle is measured from the center of the earth as shown in the earth graphic to the right.
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- Mapmakers use a system of imaginary lines to form a grid on maps and globes. The numbers in a global address stand for the lines of latitude and the lines of longitude. The lines that run east and west are the lines of latitude. They are also called parallels because they are always the same distance from each other.
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What Are Latitude and Longitude Lines on Maps? To precisely locate points on the earth's surface, degrees longitude and latitude have been divided into minutes (') and seconds (). There are 60 minutes in each degree. Each minute is divided into 60 seconds.
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- The latitude specifies a location's distance north or south of the equator. The longitude specifies the location's distance east or west from an imaginary line connecting the North and South Poles, called the Prime Meridian.Latitude and longitude are used together to specify the geographical coordinates of a location on Earth.he longitude specifies the location's distance east or west from an imaginary line connecting the North and South Poles, called the Prime Meridian. Latitude and longitude are used together to specify the geographical coordinates of a location on Earth.
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- Lines of latitude run east-west, while lines of longitude run north-south. Latitude and longitude are expressed as coordinates, or numbers. Each number represents the number of degrees north or south of the equator (for latitude) or east or west of the prime meridian (for longitude).
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Explanation of Latitude and Longitude Latitude and Longitude are how your site location is defined on the surface of the earth. Latitude. Latitude is used to express how far north or south you are, relative to the equator. If you are on the equator your latitude is zero. If you are near the north pole your latitude is nearly 90 degrees north.
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UTM The latitude specifies a location's distance north or south of the equator. The longitude specifies the location's distance east or west from an imaginary line connecting the North and South Poles, called the Prime Meridian. Latitude and longitude are used together to specify the geographical coordinates of a location on Earth.
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- The two numbers are a location's latitude number and its longitude number (Lat/Long). Using Lat/Long is different from using a street address. Instead of having a specific street address, Lat/Long works with a numbered grid system, like what you see when you look at graph paper. It has horizontal lines and vertical lines that intersect.
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Geographic coordinates of Babijn, Aruba WGS 84 is the latest revision of the World Geodetic System, which is used in mapping and navigation, including GPS satellite navigation system (the Global Positioning System). Geographic coordinates (latitude and longitude) define a position on the Earth's surface. Coordinates are angular units.The canonical form of latitude and longitude representation uses degrees (°), minutes (′), and seconds (″). GPS systems widely use coordinates in degrees and decimal minutes, or in decimal degrees.he latitude of the Equator is 0°; the latitude of the South Pole is −90°; the latitude of the North Pole is 90°. Positive latitude values correspond to the geographic locations north of the Equator (abbrev. N). Negative latitude values correspond to the geographic locations south of the Equator (abbrev. S).
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General Astronomy/Print version Latitude and longitude measure distances on the earth's surface in degrees. Latitude and longitude start with two lines: the equator and the prime meridian. Latitude measures the distances north or south from the equator. Longitude measures distances east and west from the prime meridian. Every place in the world has its own latitude and longitude.
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Latitude and Longitude Coordinates On these topographic maps the latitude and longitude units are expressed in degrees, minutes, and seconds. Each degree is subdivided into 60 minutes('). Each minute is divided into 60 seconds(''). Note the similarity to units of time which makes these relationships easy to remember.
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Basic Map Reading (Latitude â Longitude) Image globes: geographyworldonline.com. Latitude and Longitude are at the core of map reading, in that they are the imaginary lines which lay on the surface of the earth to form a matrix of coordinates. Here is a basic explanation, and an easy way to remember which is which….
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- They are used to measure distance north and south of the equator. Longitude lines, such as the Prime Meridian, connect the North Pole to the South Pole and are used to measure distances east and west of the Prime Meridian.
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Longitude and Latitude Geographers use Ptolemy’s calculations to create Lines of Latitude and Lines of Longitude. Lines of Latitude are imaginary lines that circle the globe from east to west. Lines of Latitude are called parallels because the lines parallel, or run in the same direction as the equator. The equator is the imaginary line that is as far away from the North Pole as it is from the South Pole. Lines of Longitude intersect the equator at right angles but end at the North and the South Poles. Lines of Longitude are also called meridians. Meridian comes from a Latin word that means midday.
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- Geographic coordinates (latitude and longitude) define a position on the Earth's surface. Coordinates are angular units. The canonical form of latitude and longitude representation uses degrees (°), minutes (′), and seconds (″).
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- World Map with Latitude and Longitude shows the latitude and longitude of places around the world. Latitude and Longitude play a major role in determining the time zones of different places throughout the world.