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_2016-07 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 -4.527309569488e-11 0.000000000000e+00 gfc 2 1 7.019253138751e-12 -6.431889476941e-12 gfc 2 2 -7.422534156540e-12 1.338933053730e-11 gfc 3 0 -2.051349661524e-12 0.000000000000e+00 gfc 3 1 -4.093225317329e-14 -1.127533238594e-14 gfc 3 2 -1.014944181351e-14 4.050123486677e-14 gfc 3 3 -6.539096028456e-15 -5.642844976112e-14 gfc 4 0 1.248482946030e-11 0.000000000000e+00 gfc 4 1 -1.598958485733e-14 1.615671016421e-14 gfc 4 2 1.394801779739e-14 -2.541839008187e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00