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_2003-09 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 -1.649011507002e-10 0.000000000000e+00 gfc 2 1 -1.520308016733e-11 8.099027555816e-12 gfc 2 2 5.896512754748e-12 -3.836113390320e-12 gfc 3 0 1.823482126400e-12 0.000000000000e+00 gfc 3 1 6.956820892214e-14 -5.210994915179e-14 gfc 3 2 1.830180816607e-14 3.275076253360e-14 gfc 3 3 -2.457053662294e-14 -9.152954876405e-15 gfc 4 0 1.287206326735e-11 0.000000000000e+00 gfc 4 1 4.154295391858e-14 -2.573740871256e-14 gfc 4 2 -1.113495428821e-14 7.314146095658e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00