168 



N CLIMATOLOGY 



40 



36 



32 



28 



EL PASO, TEXAS 

 I (June Average) 



-A (h, 3/3 J 





y 



/ 



':^ 



310 320 330 340 350 360 370 380 

 A(h,3l3),N UNITS 



-2 



12 3 4 



T3|3-T(mrad) 



Figure 4.68. Comparison of A(h,313) profiles with departures from normal bending 



of radio waves for continental tropical air. 



After Ratner (1945). 



