146 



COVERAGE DI\GRA^rS 



X METERS 

 .Oil— 



.02 



.03 



.04 

 .05 



.2 



10 



.001 — 

 .002 



.005 

 .01 



.02 



.05 



.2 



^ 



1000- 



METERS 



— -12 



r^.... II 



10 

 -- 9 

 -8 



7 CD 



D 

 6 Z 



5 ^ 

 o 



—--3 



500- 

 400- 



300 — 

 200-^ 



I00-- 



50- 

 40- 



30 — 

 20-= 



,10— ' 



i'lGURU 15. Chart number and r as a function of X and hi. (See Figures 16 and 17.) 



