One example comes from a Soviet over-the-horizon radar receiver, named Duga, that was built outside of Chernobyl, in Ukraine. Shortwave radio signals sent from transmitter sites in southern ...

But amateur radio operators traced the mysterious signal to an over-the-horizon radar antenna near Chernobyl ... Pictured above is the transmitter, also known as Duga-1, Chernobyl-2, or Duga ...

Until recently phased array radar has been very ... up of a large parabolic antenna that rotates. The microwave beam projected by this antenna is swept over the horizon as it rotates.

The Duga radar. Though once a closely guarded secret, this immense structure can be seen for miles around, rearing up through the mist over the horizon ... of huge antennas and turbines.

displayed its new over-the-horizon (OTH) 0100 radar in public for the first time at the recent LAAD Defence & Security 2017 exhibition in Rio de Janeiro, in Brazil. A developmental model of the ...

partially owned by Israel Aerospace Industries (IAI), completed installing its OTH 0100 over-the-horizon coastal surveillance radar system. The radar, installed at the Albardão Lighthouse in ...

The Duga radar. Though once a closely guarded secret, this immense structure can be seen for miles around, rearing up through the mist over the horizon ... of huge antennas and turbines.