Monthly mean of earth tide (IERS2010) for details see http://ifg.tugraz.at/downloads/gravity-field-models/itsg-grace2018 begin_of_head ======================================== modelname model_earthTide_2014-06 product_type gravity_field earth_gravity_constant 3.9860044150e+14 radius 6.3781363000e+06 max_degree 4 norm fully_normalized errors no key L M C S end_of_head ========================================== gfc 0 0 0.000000000000e+00 0.000000000000e+00 gfc 1 0 0.000000000000e+00 0.000000000000e+00 gfc 1 1 0.000000000000e+00 0.000000000000e+00 gfc 2 0 1.403593338869e-10 0.000000000000e+00 gfc 2 1 -2.294342459764e-12 5.501524400876e-12 gfc 2 2 -9.443890555096e-13 -1.564946193945e-12 gfc 3 0 -2.237908505357e-13 0.000000000000e+00 gfc 3 1 -1.739936134185e-14 1.592268876327e-14 gfc 3 2 1.384535057315e-14 -5.385051950310e-15 gfc 3 3 -1.506180602290e-15 5.485466457968e-15 gfc 4 0 1.195005486254e-11 0.000000000000e+00 gfc 4 1 9.149476129446e-15 -1.439827264452e-14 gfc 4 2 1.800866962826e-15 2.955654401499e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00