MAG2GEO()

     Convert from geomagnetic to geographic coordinates

     Converts from GEOMAGNETIC (latitude,longitude) to GEOGRAPHIC (latitude,
    longitude).    (altitude remains the same)

       gcoord=mag2geo(mcoord)

       mcoord = a 2-element array of magnetic [latitude,longitude], or an
                array [2,n] of n such coordinates.

               None

       a 2-element array of geographic [latitude,longitude], or an array [2,n]
            of n such coordinates

               None

       IDL> gcoord=mag2geo([90,0])       ; coordinates of magnetic south pole
       IDL> print,gcoord
       79.300000      -71.409990

       Written by Pascal Saint-Hilaire ([email protected]),
        May 2002

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