over-the-horizon radar


Also found in: Acronyms, Encyclopedia, Wikipedia.

over-the-horizon radar

A radar system that makes use of the atmospheric reflection and refraction phenomena to extend its range of detection beyond line of sight. Over-the-horizon radars may be either forward scatter or back scatter systems.
References in periodicals archive ?
Because of the black budget status of the Stealth technology, Pentagon officials can neither sing its praises nor openly deny published reports that the Stealth bomber already is outdated because its heralded radar-evading ability has been outstripped by advances in over-the-horizon radar technology.
The Air Force was using the parts to help operate over-the-horizon radar at its Ballistic Missile Early Warning System sites.
Mr Robert also commended DSTO s world-leading contribution to fields such as hypersonics, over-the-horizon radar and aircraft structural integrity.
radar, provides details of the Air Force's latest foray into hypersonic flight, and covers Air Force-sponsored research that uses plasmas to reconfigure the ionosphere for use in GPS jamming and over-the-horizon radar.
The TMD experiments in Australia, code-named Project Dundee, which stands for Down Under Early Warning Experiment, have included using over-the-horizon radar in tracking U.
National security: SRI has been meeting our nation's needs for mission-critical technologies, from over-the-horizon radar used during the Cold War, to GPS used in the Gulf War, to intelligence systems used in today's war against terrorism.
Full browser ?