ELEVATION ANGLE ERROR 



417 



260 



99.3 99.99 0.01 



I 

 5 20 40 60 80 95 99 999 0.1 I 5 20 40 60 80 95 99 999 



P OF N, > ORDINATE VALUE 



Figure 9.17. Cumulative probability distribution of N9, Bismarck, N.Dak. 



