{
"lat":["52.45 N"],
"lon":["-1.75 W"],
"elevation":[108.74],
"z":[118.74,136.40,203.80,295.59,412.35,558.99,745.09,972.97,1222.47,1477.53,1739.77,2009.49,2408.65,2933.19,3457.54,3982.26,4507.28,5031.96,5555.36,6076.60,6595.22,7111.48,7627.16,8146.28,8672.69,9208.46,9753.83,10307.93,10870.78,11443.42,12026.33,12618.97,13217.94,13816.95,14413.76,15009.19,15603.37,16196.45,16787.10,17373.32,17955.25,18534.11,19110.25,19683.99,20256.14],
"u":[10.86,10.83,14.15,16.38,17.95,19.63,21.33,21.66,19.17,16.56,14.61,13.74,13.65,14.41,15.18,15.33,15.09,14.52,13.86,13.35,13.35,14.32,17.23,20.43,23.69,27.36,28.92,28.46,26.24,22.08,17.83,14.90,13.60,13.52,12.82,12.77,13.13,10.15, 8.14, 8.29, 7.37, 5.47, 4.50, 4.63, 4.71],
"v":[-2.60,-2.34,-3.40,-4.35,-5.20,-6.44,-8.61,-13.06,-16.07,-15.36,-13.11,-12.14,-12.26,-12.17,-11.31,-9.94,-9.28,-9.49,-9.77,-9.98,-10.07,-9.15,-10.50,-16.78,-22.71,-29.13,-31.73,-30.47,-27.73,-24.69,-21.55,-19.23,-16.40,-13.47,-11.14,-9.37,-8.20,-6.43,-6.93,-8.19,-9.30,-8.92,-7.79,-7.18,-7.61],
}