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_2004-04 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 4.260057279479e-11 0.000000000000e+00 gfc 2 1 -1.015677566370e-11 -1.125452194612e-11 gfc 2 2 4.049795080682e-12 7.909907941263e-13 gfc 3 0 -2.544144213807e-13 0.000000000000e+00 gfc 3 1 -4.953463268238e-14 -5.065324680980e-14 gfc 3 2 -2.587596152720e-14 7.017081485177e-15 gfc 3 3 1.294478976033e-14 -5.853488286433e-15 gfc 4 0 1.226402051061e-11 0.000000000000e+00 gfc 4 1 2.792783587889e-14 3.412041952604e-14 gfc 4 2 -7.675994213707e-15 -1.465742792322e-15 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00