393 
CALCULATION OF RADIO GAIN 
ble R. (Radiation Laboratory.) 
aN See Ls =.70 
a == =60 
Fy 
EUs 
ous 
eh 
ae 
oes 
Bee nny i 
==5 
ay 
RR eH 
ais 
fini 
NT 
Ve 
——— 
—— 
IRGENCE D 
DIFFERENCE R 
———_ Dive 
—— — PATH 
DIVERGENCE AND PATH DIFFERENCE CONTOUR 
T 
Figure 22. Contours of constant divergence factor D and path difference variable 
riable R. (Radiation Laboratory.) 
Ficure 23. Contours of constant divergence factor D and path difference vai 
