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_2012-11 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 -5.174706900048e-11 0.000000000000e+00 gfc 2 1 -2.904740669241e-12 2.253362966203e-12 gfc 2 2 -2.033352299946e-12 -2.098809470214e-12 gfc 3 0 -1.479471218932e-13 0.000000000000e+00 gfc 3 1 1.055099229614e-15 -2.780221677117e-16 gfc 3 2 -5.496859115997e-15 -5.484795706579e-15 gfc 3 3 -3.016502716344e-15 -7.788165469897e-15 gfc 4 0 1.251817913662e-11 0.000000000000e+00 gfc 4 1 5.382417273474e-15 -7.678150701416e-15 gfc 4 2 3.867639978803e-15 3.957438623978e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00