Geodetic latitude | |

Reduced latitude, defined by Eqn. (2) | |

Longitude (difference) | |

azimuths, clockwise from N ( at equator) | |

arc-length along geodesic | |

longitude (difference) on auxiliary sphere | |

arc-length on auxiliary sphere | |

major (equatorial) radius of ellipse | |

minor (polar) radius of ellipse | |

flattening | |

eccentricity |

2002-03-21