{
"lat":["50.73 N"],
"lon":["-3.41 W"],
"elevation":[44.00],
"z":[54.00,70.63,135.52,224.02,337.10,479.92,661.82,884.72,1128.40,1376.96,1631.91,1893.68,2281.76,2794.32,3311.26,3832.91,4357.88,4884.63,5411.77,5938.45,6464.38,6989.70,7514.89,8040.59,8567.17,9094.35,9622.00,10152.76,10691.83,11242.71,11806.22,12382.57,12969.29,13560.42,14153.19,14746.95,15338.47,15928.68,16516.87,17101.41,17683.95,18263.53,18839.81,19413.00,19982.86],
"u":[-2.72,-2.64,-3.23,-6.15,-9.37,-9.84,-8.32,-6.57,-5.46,-5.06,-5.33,-5.73,-5.94,-7.84,-10.81,-13.39,-14.72,-14.93,-14.30,-13.59,-13.19,-12.97,-12.77,-12.52,-11.92,-10.26,-8.91,-12.20,-16.76,-17.13,-13.78,-9.80,-7.56,-7.12,-5.22,-0.24, 0.74, 1.38, 3.35, 2.77, 3.42, 3.72, 4.01, 4.45, 4.90],
"v":[-4.28,-4.56,-5.46,-6.81,-6.69,-5.51,-4.36,-3.40,-2.49,-1.91,-2.21,-3.23,-5.84,-8.75,-10.53,-12.04,-13.07,-13.43,-13.87,-14.88,-15.79,-15.85,-14.86,-13.13,-11.48,-11.02,-12.85,-16.46,-18.95,-18.78,-16.91,-15.17,-13.80,-11.32,-7.09,-3.76,-4.92,-3.87,-3.81,-4.09,-3.63,-3.75,-4.54,-5.79,-7.24],
}