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_2007-08 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 1.228036681980e-10 0.000000000000e+00 gfc 2 1 -1.960156894971e-11 2.871797923829e-11 gfc 2 2 -3.652928939421e-12 -9.726949314870e-12 gfc 3 0 -5.519712785734e-13 0.000000000000e+00 gfc 3 1 2.569680599906e-14 2.995326783737e-14 gfc 3 2 -7.599832903210e-14 1.985156809738e-14 gfc 3 3 1.216363502881e-14 -4.266840778387e-14 gfc 4 0 1.208527667669e-11 0.000000000000e+00 gfc 4 1 5.428578890049e-14 -8.096507307011e-14 gfc 4 2 6.998788206159e-15 1.839335683459e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00