Compute Geodetic Coordinate Conversions
by: Glenn D. MacGougan, Uses the project /apps/geodesy. The executable is /bin/geodesy.exe or /bin/geodesy.bin.
Select Reference Ellipse
World Geodetic System 1984
Airy 1830
Modified Airy
Australian National
Bessel 1841
Clarke 1866
Clarke 1880
Everest(India 1830)
Everest(Brunei and East Malaysia)
Everest(West Malaysia and Singapore)
Geodetic Reference System 1980
Helmert 1906
Hough 1960
International 1924
South American 1969
World Geodetic System 1972
Ellipse Parameters
a
semi-major axis of the reference ellipse [m]
b
semi-minor axis of the reference ellipse (b = a - a*f_inv) [m]
f_inv
inverse of the flattening of the reference ellipse []
e^2
eccentricity of the reference ellipse (e^2 = (a*a-b*b)/(a*a)) []
Earth Centered Earth Fixed Coordinates
X
  
user X position [m]
Y
  
user Y position [m]
Z
  
user Z position [m]
Geodetic Curvilinear Coordinates
latitude
geodetic latitude [degrees]
latitude (dms)
                 
longitude
geodetic longitude [degrees]
longitude (dms)
                 
height
geodetic height [m]