Omega

Omega

1. Stations are positioned so that any position on the globe can received signals from 5 stations

2. 8 stations

   • 10 second period cycle
   • Duration of each pulse range from 0.9 - 1.2 seconds
   • 0.2 seconds interval in each station
   • Each station transmit 10.2 kHz, 13.6 kHz, 11.333 kHz plus a fourth frequency which was unique to each of the eight stations
     • No 2 stations are transmitting simutaneously of same frequency
   • Labelled A to H

3. Lanes are numbered 900 in the middle between 2 stations

   • Numbers are number in increasing from lower to higher letters

4. Long range navigation system

5. Very low frequncy radio system

   • 10-14 kHz

6. Phase of the received signals within each pulse that was used to determine the transit time from transmitter to receiver