OCEAN ELECTRONIC NAVIGATIONAL AIDS 



11 



J il !11 ». 



-TIME 



■ MASTER RECURRENCE 

 INTERVAL 



r 



MASTER 

 SIGNAL 



SLAVE RECURRENCE 

 INTERVAL 



f 



SLA\C 

 SIGNAL 



n 



SIGNALS AS TRANSMITTED 



AMOUNT OF TIME WHICH SLAVE WAITS BEFORE TRANSMITTING. 

 TIME REQUIRED FOR MASTER SIGNAL TO TRAVEL TO SLAVE. 



NAVIGATOR'S 

 SUOW SWEEP 

 OSCILLOSCOPE 

 PRESENTATION 



NAVIGATOR'S 

 FAST SWEEP 

 OSCILLOSCOPE 

 PRESENTATION 



(FAST SWEEP SHOWS DETAILS 

 OF SIGNALS SHOWN MOUNTED 

 ON PEDESTALS IN SLOW SWEEP 

 PRESENTATION) 





LORAN TIMING SEQUENCES 



Figure 1-9. — Loran timing sequence. 



