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_2016-03 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 -7.395056443326e-10 0.000000000000e+00 gfc 2 1 4.193610815498e-12 2.291569743289e-13 gfc 2 2 9.311192471757e-12 -1.269405875601e-12 gfc 3 0 1.200238423159e-12 0.000000000000e+00 gfc 3 1 -3.523843027399e-15 1.393507730418e-14 gfc 3 2 -2.399451159968e-14 1.012860047553e-14 gfc 3 3 4.054367498540e-15 3.209564280432e-14 gfc 4 0 1.449553674072e-11 0.000000000000e+00 gfc 4 1 -1.209037763389e-14 2.388263787358e-15 gfc 4 2 -1.762385250348e-14 2.480972438433e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00