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_2004-05 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 3.270291190291e-10 0.000000000000e+00 gfc 2 1 -1.662842720618e-11 -2.585449056331e-11 gfc 2 2 -7.671668805291e-13 9.164795276364e-12 gfc 3 0 1.231927291071e-12 0.000000000000e+00 gfc 3 1 3.434700690084e-14 -1.073455084075e-14 gfc 3 2 -6.909307893491e-14 -2.338987073514e-14 gfc 3 3 2.083563897281e-14 3.302596089281e-14 gfc 4 0 1.143986155642e-11 0.000000000000e+00 gfc 4 1 4.734450029850e-14 7.241003007869e-14 gfc 4 2 1.378145914975e-15 -1.736505074796e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00