% Permittivity of free-space (F*m^-1), http://en.wikipedia.org/wiki/Permittivity
e0 = 8.8541878176e-12;
% Permeability of free-space (N*A^-2), http://en.wikipedia.org/wiki/Permeability_%28electromagnetism%29
u0 = 4e-7*pi;
% Speed of light in free-space
c = 1/sqrt(e0*u0);
% Boltzmann's constant (J * K^-1 * Hz^-1), http://en.wikipedia.org/wiki/Boltzmann_constant
BoltzmannConst = 1.380650524e-23;
% Earth Radius (m) from WGS-84 ellipsoid (larger: equatorial radius,
% smaller: polar radius)
earthRadius = 0.5*(6378137+6356752.31424518);
% Earth mass (kg), http://en.wikipedia.org/wiki/Mass_of_the_Earth
earthMass = 5.9742e24;
% Gravitational constant (N * m^2 * kg^-2), http://en.wikipedia.org/wiki/Gravity_constant
G = 6.6742e-11;
% Note: G*earthMass = 398600.5 km^3/s^2 according to satellite orbit book,
% which does match the values above.
GearthMassProd = 398600.5e9;

% WGS84 ellipsoid parameters [semimajor sqrt(e2)]
WGS84.semimajor = 6378137;
WGS84.semiminor = 6356752.314245;
WGS84.flattening = 298.257223563;
WGS84.eccentricity = sqrt(0.00669437999013);
WGS84.ellipsoid = [WGS84.semimajor WGS84.eccentricity];

% Basic ice properties
er_ice = 3.15;
