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_2010-04 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 -6.654953124156e-11 0.000000000000e+00 gfc 2 1 5.813371433599e-12 -5.324009877468e-12 gfc 2 2 8.322065750807e-13 -5.920359663965e-12 gfc 3 0 1.079094018078e-12 0.000000000000e+00 gfc 3 1 -2.336472955730e-14 4.411416996673e-14 gfc 3 2 1.222664048273e-14 1.130165422611e-14 gfc 3 3 9.762020900836e-15 -1.691902850136e-14 gfc 4 0 1.258932127657e-11 0.000000000000e+00 gfc 4 1 -1.442954093343e-14 1.794468149204e-14 gfc 4 2 -1.527492501422e-15 1.121892219206e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00