clear all
FLEDT;
h = A(412:4481,7);
T = A(412:4481,3);
U = A(412:4481,4);

for ii = 1:(4481-412)
    if h(ii) < 0
        h(ii) = NaN;
    end
    if T(ii) < 0
        T(ii) = NaN;
    end
    if U(ii) < 0
        U(ii) = NaN;
    end       
end

plot(T,h,'r',U,h,'b')
v = [0 300 0 30000];
axis(v)
grid on
ylabel('height (m)','FontSize',14,'FontWeight','bold')
ax = gca;
ax.YAxis.FontSize = 14;
ax.XAxis.FontSize = 14;

legend ('T (K)','RH (%)')
title('sounding 16-03-18, 46.69S 141.93E','FontSize',14,'FontWeight','bold')