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_2011-08 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 -2.616935837282e-10 0.000000000000e+00 gfc 2 1 -1.331329138836e-11 2.769146768074e-11 gfc 2 2 -7.840397728689e-12 -9.626932881980e-12 gfc 3 0 3.538065788613e-13 0.000000000000e+00 gfc 3 1 -3.838469919267e-14 -2.276659619443e-14 gfc 3 2 5.721284370525e-14 -3.721771593657e-14 gfc 3 3 9.969480537266e-15 5.209301213940e-14 gfc 4 0 1.317827132140e-11 0.000000000000e+00 gfc 4 1 3.681857556195e-14 -7.800057845537e-14 gfc 4 2 1.492839027330e-14 1.816896660726e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00