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_2014-03 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 -8.627528014611e-10 0.000000000000e+00 gfc 2 1 4.477566009498e-12 -2.624656292542e-11 gfc 2 2 -1.057578062573e-11 -5.981088424689e-12 gfc 3 0 1.059090643458e-13 0.000000000000e+00 gfc 3 1 -3.574704859989e-14 -3.944089412988e-14 gfc 3 2 -1.783306556079e-14 4.828129326487e-14 gfc 3 3 4.202740675800e-14 2.826745184105e-14 gfc 4 0 1.487626198735e-11 0.000000000000e+00 gfc 4 1 -1.222902417089e-14 7.364585011488e-14 gfc 4 2 2.007893080035e-14 1.124127681164e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00