NV/M 



10^ 



_ 



C = DAY GROUND WAVE 





A 



d= NIGHT SKY WAVE 



10^ 



iX 





10^ 





^^\r~^^--^ 



10 



1 



n 



1 1 



1 1 1 1 1 1 1 1 



200 400 600 800 1000 



RANGE (nautical miles) 



FIGURE IV -3 1 KW CONSOL FIELD STRENGTH 



CHARACTERISTIC AT F = 300 Kc 



40 



