distance (m)   delta_g (mm/s^2)  
  -3.0000000e+03  -1.5219753e-03
  -2.8000000e+03  -9.6437925e-04
  -2.6000000e+03  -5.8779634e-04
  -2.4000000e+03  -1.9351497e-03
  -2.2000000e+03  -1.0373005e-03
  -2.0000000e+03  -0.7618505e-03
  -1.8000000e+03  -2.8000722e-03
  -1.6000000e+03  -3.0996774e-03
  -1.4000000e+03  -2.8289164e-03
  -1.2000000e+03  -9.9815214e-03
  -1.0000000e+03  -8.6737561e-03
  -8.0000000e+02  -1.6143574e-02
  -6.0000000e+02  -1.2009969e-02
  -4.0000000e+02  -1.1976791e-02
  -2.0000000e+02  -1.4464345e-02
   0.0000000e+00  -1.8462019e-02
   2.0000000e+02  -1.9464345e-02
   4.0000000e+02  -1.7976791e-02
   6.0000000e+02  -1.5009969e-02
   8.0000000e+02  -1.0143574e-02
   1.0000000e+03  -9.1737561e-03
   1.2000000e+03  -2.5815214e-03
   1.4000000e+03  -9.4289164e-03
   1.6000000e+03  -6.5996774e-03
   1.8000000e+03  -2.0000722e-03
   2.0000000e+03  -2.5618505e-03
   2.2000000e+03  -7.0373005e-04
   2.4000000e+03  -6.9351497e-04
   2.6000000e+03  -7.0779634e-04
   2.8000000e+03  -5.6437925e-04
   3.0000000e+03  -9.5219753e-04