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Azimuth and solar elevation angle
Calculation of azimuth and solar elevation angle by given the coordinates and time of observation. It's possible to input coordinates manually or by selecting from the directory of cities.
Course angle and the distance between the two points on loxodrome (rhumb line).
Calculation of a distance on loxodrome (rhumb line) and course angle (azimuth) between two points with a given geographical coordinates.
Course angles and distance between the two points on the orthodrome(great circle)
Calculates the distance between two points of the Earth specified geodesic (geographical) coordinates along the shortest path - the great circle (orthodrome). Calculates the initial and final course angles and azimuth at intermediate points between the two given.
Sun position at a given date. Azimuth and elevation table.
Calculation of azimuth and elevation of the sun above the horizon for a given position and time. Table with one hour increments.
Two arguments arctangent
The calculator gives an angle between positive axis x and the ray to the given point from point 0. The result corresponds to atan2 function, implemented in many computer languages and math libraries.
City objects observation
The calculator helps to distinguish observed city objects.
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