378 



TRANSMITTER 



BELL SYSTEM TECHNICAL JOURNAL 



6 



RECEIVER 



DELAY = 



2nRo SIN e 

 C COS (6 + e) 



COS 6 



COS (6 + e) 



; 2ne = /9 



Fig. 29 — Delay and angle relations for multiple reflection from a uniform reflecting 

 surface. The number of ionosphere reflections is designated by n. 



4.5 



3.5 



2 3. 



Z 



Z 2.0 



1.5 



0.5 



°.0 



15 



55 



60 



65 



:0 25 30 35 40 45 50 



EARTH ANGLE ,6 IN DEGREES 



Fig. 30 — Curves giving the delay-angle relations for multiple reflection on the 

 Halifax-to-Holmdel path. 



