{
"lat":["51.48 N"],
"lon":["-0.46 W"],
"elevation":[27.31],
"z":[37.31,54.29,120.08,209.77,324.25,468.62,652.34,877.63,1125.13,1379.49,1641.90,1912.34,2313.74,2842.50,3372.50,3903.48,4434.19,4964.06,5492.93,6020.24,6545.71,7069.55,7591.87,8112.87,8633.43,9154.53,9677.06,10202.73,10734.84,11276.84,11831.37,12400.49,12982.23,13570.04,14158.83,14747.37,15335.39,15922.44,16508.10,17092.37,17675.42,18257.28,18838.20,19418.54,19998.51],
"u":[-5.72,-5.69,-8.11,-11.09,-15.97,-19.47,-21.11,-21.14,-20.25,-19.05,-17.11,-14.29,-9.93,-4.78,-2.22,-0.10,-0.01,-0.54,-1.40,-1.04,-0.18,-0.21,-0.12,-2.89,-10.59,-17.26,-20.24,-19.71,-16.17,-11.66,-7.38,-4.24,-1.87,-0.15, 1.13, 2.19, 3.30, 4.28, 5.64, 7.05, 8.48, 9.89,11.17,12.40,13.56],
"v":[-5.01,-5.04,-6.54,-7.67,-8.03,-6.90,-4.37,-1.68, 0.51, 1.32, 1.96, 2.73, 2.93, 1.67, 1.14, 0.87, 1.80, 3.65, 3.68, 2.34, 2.02, 2.60, 1.77,-1.07,-4.43,-6.42,-7.34,-7.14,-6.40,-5.28,-4.05,-3.15,-3.33,-3.75,-3.88,-3.44,-2.57,-1.35,-0.29, 0.59, 1.34, 1.99, 2.32, 2.54, 2.74],
}