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Every point on the surface of the earth has latitude and longitude. If the latitude and longitude of a point are given and they're sufficiently accurate, the point can be found within less than an inch, anywhere on earth.
Delaware is a state of the US found in the Atlantic Coast. The state latitude is 39.0000° N and a longitude of 75.5000° W.
You have found the absolute location.
Chad
Tucson, AZ may be found here on a map: Latitude: N 32° 13' 18.2744" | Longitude: W 110° 55' 35.3244"
Longitude are the vertical lines found in a map or globe while latitude are the horizontal lines.
If you use longitude and latitude you can find a location easily on the globe.
Lines of latitude allow any position north or south of the Equator to be found with reasonably accuracy. Which, along with lines of longitude, are extremely important in the navigation of shipping.
Bay of Bengal is found at these coordinates: Latitude: N 13° 31' 53.994", Longitude: E 87° 32' 22.5078"
A mysterious desert pattern is commonly located in the latitude and longitude coordinates of the area where it is found. It could be a specific geographical location that can be identified with these coordinates.
GPS receivers do not 'use' elevation for anything. They use the signals from several satellites simultaneously to calculate the latitude, longitude, and elevation of the receiver's location. It takes a minimum of three satellites to calculate the latitude and longitude, a minimum of four satellites to calculate the latitude, longitude, and elevation, if more satellites can be found the latitude, longitude, and elevation calculations can be refined more accurately.
GPS receivers do not 'use' elevation for anything. They use the signals from several satellites simultaneously to calculate the latitude, longitude, and elevation of the receiver's location. It takes a minimum of three satellites to calculate the latitude and longitude, a minimum of four satellites to calculate the latitude, longitude, and elevation, if more satellites can be found the latitude, longitude, and elevation calculations can be refined more accurately.