d,t,lnd,lnt
0.00175,13.09,-6.348,2.572
0.00175,13.06,-6.348,2.570
0.00175,13.19,-6.348,2.580
0.00175,13.03,-6.348,2.567
0.00175,13.10,-6.348,2.573
0.00199,10.32,-6.220,2.334
0.00199,10.41,-6.220,2.343
0.00199,10.28,-6.220,2.330
0.00199,10.41,-6.220,2.343
0.00199,10.34,-6.220,2.336
0.00247,6.75,-6.004,1.910
0.00247,6.82,-6.004,1.920
0.00247,6.75,-6.004,1.910
0.00247,6.90,-6.004,1.932
0.00247,6.88,-6.004,1.929