Implementation
static const List<double> DT_AT = [
-4000,
108371.7,
-13036.80,
392.000,
0.0000,
-500,
17201.0,
-627.82,
16.170,
-0.3413,
-150,
12200.6,
-346.41,
5.403,
-0.1593,
150,
9113.8,
-328.13,
-1.647,
0.0377,
500,
5707.5,
-391.41,
0.915,
0.3145,
900,
2203.4,
-283.45,
13.034,
-0.1778,
1300,
490.1,
-57.35,
2.085,
-0.0072,
1600,
120.0,
-9.81,
-1.532,
0.1403,
1700,
10.2,
-0.91,
0.510,
-0.0370,
1800,
13.4,
-0.72,
0.202,
-0.0193,
1830,
7.8,
-1.81,
0.416,
-0.0247,
1860,
8.3,
-0.13,
-0.406,
0.0292,
1880,
-5.4,
0.32,
-0.183,
0.0173,
1900,
-2.3,
2.06,
0.169,
-0.0135,
1920,
21.2,
1.69,
-0.304,
0.0167,
1940,
24.2,
1.22,
-0.064,
0.0031,
1960,
33.2,
0.51,
0.231,
-0.0109,
1980,
51.0,
1.29,
-0.026,
0.0032,
2000,
63.87,
0.1,
0,
0,
2005,
64.7,
0.4,
0,
0,
2015,
69
];