114 



CALCULATION OF RADIO GAIN 



100000 



50000 



20000 



10000 



5000 



2000 



(O 1000 



q: 



lu 



I- 



UJ 



5 500 





200 



100 



50 



20 



10 



25 50 75 iOO 125 150 175 200 225 250 275 300 325 350 



d IN Kilometers 



Fici'RE 50. Maximum range for X = meters, vertical polarization. See equation (186). 



