ELEVATION ANGLE ERROR 



415 



— = 0200 n=248 



— = 0800 n=248 

 = 1400 n=248 



— =2000 n=248- 



90 I 9B|99.5| 99.99 0.01 | O.S| 2 10 



I 5 20 40 60 80 95 99 99 9 0.1 I 5 20 40 60 80 95 99 999 



P OF N, > ORDINATE VALUE 



Figure 9.15. Cumulative probability distribution of Ns, Washington, D.C. 



