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_2010-12 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 3.396977747477e-10 0.000000000000e+00 gfc 2 1 6.076152105510e-12 1.610912177945e-11 gfc 2 2 -6.863465802529e-13 1.313158162507e-11 gfc 3 0 1.559517804310e-12 0.000000000000e+00 gfc 3 1 -8.535876937747e-14 -3.183481271054e-14 gfc 3 2 -3.956320047137e-14 -2.160723247810e-14 gfc 3 3 -4.165213377748e-14 -2.818108916705e-14 gfc 4 0 1.141206604370e-11 0.000000000000e+00 gfc 4 1 -1.947233526501e-14 -4.323679460110e-14 gfc 4 2 1.191937613001e-15 -2.487598533392e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00