Science: Automatic Navigator

What airplane pilots want to know when they cannot see the ground is exactly where they are. They can get this information by various combinations of electronic direction-finding and distance-measuring, as with the U.S. VOR (Very High Frequency Omnirange) and DME

(Distance Measuring Equipment), by cross-bearings on radio compasses, etc. But such operations take a little time and a little room for position-plotting, and the pilot may not have enough of either. Recently the Decca Navigator Co. Ltd. of Britain* demonstrated over Germany a system that tells the pilot where he is all the time) with no effort on his part.

The Decca...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!