{
"lat":["51.48 N"],
"lon":["-0.46 W"],
"elevation":[27.31],
"z":[37.31,54.21,119.75,209.08,322.93,466.14,647.95,870.18,1112.87,1360.91,1616.23,1878.76,2266.79,2776.92,3288.45,3803.68,4323.45,4846.22,5369.85,5892.94,6415.29,6937.20,7458.69,7979.57,8499.67,9020.68,9546.78,10081.65,10626.57,11182.01,11749.19,12329.18,12919.08,13512.56,14106.68,14700.33,15292.54,15884.06,16474.22,17062.39,17647.97,18229.98,18808.27,19382.54,19952.44],
"u":[-2.79,-2.70,-3.96,-6.51,-9.12,-10.05,-9.42,-9.24,-9.06,-7.62,-6.78,-6.45,-6.18,-6.88,-9.00,-11.39,-12.95,-14.29,-14.22,-13.62,-12.89,-11.97,-11.13,-10.45,-9.61,-9.54,-10.40,-10.70,-9.80,-8.14,-6.84,-5.90,-3.75,-1.94, 0.16, 3.10, 1.68, 3.95, 4.11, 5.54, 5.89, 5.77, 5.79, 5.97, 6.11],
"v":[-3.48,-3.40,-4.16,-4.83,-4.73,-3.43,-2.51,-2.12,-1.70,-0.71,-0.68,-0.60,-0.57,-1.08,-3.89,-7.00,-10.16,-11.14,-11.77,-11.44,-10.66,-10.15,-10.25,-10.59,-10.92,-11.05,-11.07,-11.35,-11.43,-11.16,-10.62,-8.64,-6.14,-4.82,-2.71,-2.40,-0.29, 0.20,-0.66,-1.28,-2.35,-3.31,-4.22,-5.06,-5.95],
}