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Title: DARPA looks beyond GPS for positioning, navigating, and timing

Cold-atom interferometry, microelectromechanical systems, signals of opportunity, and atomic clocks are some of the technologies the defense agency is pursuing to provide precise navigation when GPS is unavailable.
Authors:
Publication Date:
OSTI Identifier:
22303455
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics Today; Journal Volume: 67; Journal Issue: 10; Other Information: (c) 2014 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ATOMIC CLOCKS; GLOBAL POSITIONING SYSTEM; INTERFEROMETERS; INTERFEROMETRY; MEMS; SIGNALS