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_2014-11 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 -3.880021658864e-10 0.000000000000e+00 gfc 2 1 1.498033660137e-11 6.485660318149e-12 gfc 2 2 4.455644970760e-12 2.381561098640e-12 gfc 3 0 6.838175950136e-13 0.000000000000e+00 gfc 3 1 -1.313602380322e-14 -2.455468578610e-14 gfc 3 2 1.749058093317e-14 -3.657319028892e-14 gfc 3 3 1.634805577480e-14 -1.589930226378e-14 gfc 4 0 1.347878085725e-11 0.000000000000e+00 gfc 4 1 -4.234706063708e-14 -1.894924737766e-14 gfc 4 2 -8.458316399790e-15 -4.474516810440e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00