CENTER STATION 

 PRIMARY TRANSMITTER 



PRIMARY TRANSMITTER ^ ^^^^^f '' "^"f^ 

 it^v-^"^ 1.1. 14 



GREEN END STATION 



't RED END STATION - 



JjSREEN REFERENCE TRANSMITTER 



[rCVR 2 I 



GREEN rys green] 



5 W~ 



(a) GREEN HALF OF SWITCHING 

 CYCLE 



F IGURE V-7 LORAC TYPE A (ALPHA) GREEN HALF 



OF SWITCHING CYCLE 



120 



