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_2007-07 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 6.934401285883e-10 0.000000000000e+00 gfc 2 1 4.712518639520e-12 1.657560189287e-11 gfc 2 2 -1.163012087155e-11 -2.067771187257e-12 gfc 3 0 1.208720733549e-12 0.000000000000e+00 gfc 3 1 4.471465833359e-14 -9.195700891201e-14 gfc 3 2 1.206791671336e-14 3.842952906505e-14 gfc 3 3 -3.657390998971e-14 -2.297936184741e-14 gfc 4 0 1.041739640956e-11 0.000000000000e+00 gfc 4 1 -9.355773049189e-15 -4.639215175551e-14 gfc 4 2 2.204328257590e-14 3.821479078367e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00