public void Tropesphere_Height_Index_1(double pHeight, int Index)
        {
            lookups_ = new TroposphereModelLookups();
            int lIndex = lookups_.GetHeightIndex(pHeight);

            Assert.AreEqual(Index, lIndex);
        }
        public void Tropesphere_Zenith_Index_1(double pZenith, int Index)
        {
            lookups_ = new TroposphereModelLookups();
            int lIndex = lookups_.GetZenithIndex(pZenith);

            Assert.AreEqual(Index, lIndex);
        }
        public void Tropesphere_Calculate_Interpolated_Range_Value(double pHAsKM, int pIndex, int pIndex2, double expected)
        {
            TroposphereModelLookups l = new TroposphereModelLookups();
            int    lHeightIndex       = l.GetHeightIndex(pHAsKM);
            double outcome            = l.CalculatedInterpolatedRange(pHAsKM, pIndex, pIndex2, 90);

            Assert.AreEqual(expected, outcome, 0.0000001);
        }