626 



BELL SYSTEM TECHNICAL JOURNAL 



form of the dry weather attenuation curve suggested the use of two 

 correcting networks, one for low frequencies, the other for high 

 frequencies. The network which was designed to equaHze the at- 



PHASE CORRECTOR 



Li = 35.99 MH. 

 L3=I7.5I MH. 

 C5=.02I38 MF. 



C2 = .04999 MF. 

 C4=.02432 MR 

 L6=I5.40 MH. 



ATTENUATION 



Fig. 6- 



C7 

 R2 = 94.20 OHM 

 R4 = I609 OHM 

 L6=l-829 MH. 

 C8=.02686 MF 

 -High-frequency equalizing networks (dry weather) 



Rl = 256.6 OHM 

 R3 = lll.9 OHM 

 L5 = 9.668 MH. 

 C7 = 0I0I62 MF 



tenuation at the lower frequencies is illustrated in Fig. 5. This net- 

 work, in addition to equalizing the low-frequency attenuation, was 

 made to provide sufficient correction for the low-frequency phase 

 characteristic. It also proved satisfactory for all weather conditions. 



