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_2005-07 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 7.387004944253e-10 0.000000000000e+00 gfc 2 1 -1.029603890404e-12 -9.487920366831e-12 gfc 2 2 -6.975254246125e-13 9.835287094925e-12 gfc 3 0 -7.173204694261e-13 0.000000000000e+00 gfc 3 1 -6.321902928670e-14 -3.747098202099e-14 gfc 3 2 2.156126039089e-14 2.373834392051e-14 gfc 3 3 -2.676095625593e-14 -1.953455234765e-14 gfc 4 0 1.026482599207e-11 0.000000000000e+00 gfc 4 1 6.598587952359e-15 2.407062081006e-14 gfc 4 2 1.240543731466e-15 -1.863279743206e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00