{
"lat":["51.48 N"],
"lon":["-0.46 W"],
"elevation":[27.31],
"z":[37.31,54.91,122.18,213.84,330.46,476.93,662.95,891.23,1141.79,1398.57,1663.30,1936.51,2343.52,2880.90,3419.84,3959.68,4499.65,5039.28,5578.45,6117.16,6655.37,7193.06,7730.06,8265.73,8799.15,9330.25,9859.75,10388.53,10918.45,11452.57,11993.50,12544.37,13106.62,13676.80,14252.14,14831.42,15412.15,15991.50,16567.35,17139.90,17710.82,18281.72,18854.58,19432.16,20016.56],
"u":[ 5.87, 5.93, 8.00, 9.53,10.37,10.80,11.72,11.39,10.75,10.31,10.04,10.18,11.20,12.35,13.63,14.80,15.45,15.54,15.59,15.43,14.42,13.29,12.51,11.33, 9.86, 6.32, 1.06,-2.27, 0.68, 8.18,11.93,10.14, 6.47, 5.21, 4.90, 4.16, 3.19, 1.29,-0.77,-2.26,-2.57,-1.70,-1.08,-2.05,-3.64],
"v":[-2.46,-2.44,-3.54,-4.56,-5.22,-5.62,-9.42,-13.90,-16.26,-18.02,-19.27,-19.68,-18.93,-18.11,-17.52,-17.29,-17.91,-19.52,-21.93,-25.24,-29.22,-33.17,-36.40,-38.43,-38.78,-40.40,-45.14,-48.89,-46.63,-44.09,-42.29,-38.97,-32.47,-26.15,-21.43,-18.01,-15.33,-15.15,-16.53,-17.21,-16.70,-16.30,-16.39,-14.79,-10.15],
}