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_2008-02 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 2.191222156156e-10 0.000000000000e+00 gfc 2 1 2.456122493539e-12 -6.334094114294e-12 gfc 2 2 -2.807698349777e-12 -7.645544511947e-13 gfc 3 0 1.157332185512e-13 0.000000000000e+00 gfc 3 1 -1.359037855022e-14 -5.355275244221e-15 gfc 3 2 9.017222782233e-15 9.147419184655e-15 gfc 3 3 6.394942773332e-15 -8.184556181744e-15 gfc 4 0 1.179053637507e-11 0.000000000000e+00 gfc 4 1 -8.520612082915e-15 2.017520332147e-14 gfc 4 2 5.323944767836e-15 1.425780725200e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00