ANDERSON: BOTTOM PROPERTIES FOR LONG-RANGE PROPAGATION PREDICTION 



0.05 

 0.10 

 0.15 



S 0.20 



0.25 



> 0.30 

 < 



\— 



>-- 0.35 



I 



LU 



z 

 o 



0.40 

 0.45 

 0.50 

 0.55 

 0.60 



1.4 1.6 1.8 2.0 



VELOCITY - km/sec 



Figure 6. TRAVEL TIME VS VELOCITY 

 (Source: Hamilton, 1974) 



2.4 



309 



