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_2005-01 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 4.001481866861e-10 0.000000000000e+00 gfc 2 1 2.074231485078e-11 -1.111421118848e-11 gfc 2 2 2.733293036237e-12 -5.188240064941e-12 gfc 3 0 9.272367047883e-13 0.000000000000e+00 gfc 3 1 2.303883453145e-14 1.407724155366e-14 gfc 3 2 3.799464634664e-14 4.046823560744e-14 gfc 3 3 2.422622365395e-14 4.961870487436e-15 gfc 4 0 1.125504575312e-11 0.000000000000e+00 gfc 4 1 -5.873129291103e-14 3.137764827586e-14 gfc 4 2 -5.135012003997e-15 9.849864803160e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00