{
"lat":["51.48 N"],
"lon":["-0.46 W"],
"elevation":[32.04],
"z":[42.04,59.91,127.85,220.53,338.67,487.22,675.72,906.53,1152.73,1397.93,1650.19,1909.94,2296.86,2807.50,3318.62,3829.58,4340.03,4849.96,5359.60,5869.31,6379.33,6889.81,7400.66,7911.63,8422.41,8932.80,9442.83,9952.92,10464.16,10978.96,11500.96,12033.38,12577.15,13131.12,13693.55,14263.10,14840.02,15424.66,16016.12,16621.02,17248.39,17897.84,18569.35,19267.76,19997.73],
"u":[ 7.58, 8.26,10.52,13.29,15.58,16.21,15.83,14.12,13.61,14.17,15.12,16.30,18.42,20.62,22.26,23.24,23.88,24.37,24.77,25.27,26.07,27.19,28.43,29.60,30.72,31.92,33.06,33.71,33.54,32.43,30.46,28.06,25.99,24.41,22.53,19.88,15.05, 8.25, 6.69, 9.01, 8.01, 7.01, 7.00, 6.37, 6.64],
"v":[-0.27,-0.26,-0.81,-2.33,-5.33,-7.78,-9.15,-11.30,-12.37,-11.92,-11.41,-11.82,-13.73,-15.59,-17.07,-18.54,-20.23,-22.15,-24.20,-26.27,-28.46,-30.87,-33.40,-35.63,-37.17,-38.00,-38.26,-38.02,-37.32,-36.16,-34.25,-31.28,-27.82,-24.86,-22.59,-20.95,-19.45,-16.05,-13.50,-11.88,-9.99,-8.39,-8.97,-10.39,-11.98],
}