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_2003-08 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 -1.175864390402e-11 0.000000000000e+00 gfc 2 1 -2.091875352121e-11 2.368360732594e-11 gfc 2 2 -5.795980737607e-13 -1.020303964475e-11 gfc 3 0 4.167600456457e-13 0.000000000000e+00 gfc 3 1 -3.216793245141e-14 -2.001847829411e-14 gfc 3 2 7.085514513048e-14 3.561238088364e-15 gfc 3 3 -2.897906728143e-14 3.197856363498e-14 gfc 4 0 1.244199332229e-11 0.000000000000e+00 gfc 4 1 5.830532056192e-14 -6.693427795280e-14 gfc 4 2 1.181768169717e-15 1.932031661805e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00