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_2012-04 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 -4.056699137847e-10 0.000000000000e+00 gfc 2 1 -1.073511488607e-11 -6.424614829786e-12 gfc 2 2 4.433177747720e-12 -9.762011608084e-13 gfc 3 0 -1.760489838746e-13 0.000000000000e+00 gfc 3 1 -4.860083657521e-14 -2.524815676749e-14 gfc 3 2 -1.154854081555e-14 2.274333329961e-14 gfc 3 3 4.445894752227e-15 -1.436069634631e-14 gfc 4 0 1.356080843546e-11 0.000000000000e+00 gfc 4 1 3.008821398973e-14 2.031857869022e-14 gfc 4 2 -8.388115253669e-15 1.884264041200e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00