{
"lat":["51.48 N"],
"lon":["-0.46 W"],
"elevation":[27.31],
"z":[37.31,54.93,122.19,213.76,330.23,476.46,661.96,888.90,1137.17,1390.82,1651.56,1920.00,2318.25,2843.36,3370.79,3900.59,4432.14,4964.94,5498.92,6034.01,6569.54,7104.48,7638.01,8169.74,8699.86,9229.07,9758.03,10287.05,10817.19,11352.09,11896.50,12452.48,13019.72,13595.03,14174.45,14755.82,15337.33,15918.25,16498.91,17080.33,17663.56,18248.36,18832.96,19416.04,19998.01],
"u":[ 0.79, 0.77, 0.81, 0.78, 0.73, 0.65, 0.56,-1.67,-0.65,-1.17,-2.51,-3.33,-2.89,-1.76,-0.25, 1.44, 3.50, 5.47, 6.74, 7.17, 7.08, 6.69, 6.14, 5.37, 4.76, 5.14, 6.22, 6.83, 6.35, 5.41, 7.09,10.03,10.18,11.02,10.24, 9.75, 9.98,10.88,12.07,13.39,14.75,14.96,14.24,13.04,11.86],
"v":[-6.05,-5.64,-6.67,-7.16,-7.47,-7.73,-7.96,-10.46,-11.57,-12.03,-11.76,-11.69,-13.24,-16.11,-18.71,-20.53,-22.04,-24.33,-27.90,-31.95,-35.02,-36.16,-35.58,-35.44,-36.63,-37.32,-37.20,-37.40,-37.64,-36.24,-32.14,-28.74,-25.69,-24.19,-23.58,-22.87,-22.43,-22.31,-21.98,-20.86,-19.13,-17.20,-16.05,-16.16,-17.13],
}