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_2013-02 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 -4.687894357698e-10 0.000000000000e+00 gfc 2 1 8.238089874990e-13 -9.845381345556e-12 gfc 2 2 -1.988355650862e-12 1.232817774807e-11 gfc 3 0 9.089973450769e-13 0.000000000000e+00 gfc 3 1 -2.510065397177e-14 -2.183557773686e-14 gfc 3 2 1.233335966122e-14 -1.606380060794e-14 gfc 3 3 -3.989014723317e-14 2.550623265271e-14 gfc 4 0 1.375235919316e-11 0.000000000000e+00 gfc 4 1 -3.469091677268e-15 2.917634924135e-14 gfc 4 2 3.665145724739e-15 -2.336472866514e-14 gfc 4 3 0.000000000000e+00 0.000000000000e+00 gfc 4 4 0.000000000000e+00 0.000000000000e+00