Until recently phased array radar has been very expensive ... The microwave beam projected by this antenna is swept over the horizon as it rotates. Scattered pulses from targets are displayed ...

Canada has announced plans to purchase a new Arctic over-the-horizon radar (A-OTHR) system from BAE Systems Australia for ...

The prime minister's office said the Canadian $6 billion ($4.2 billion) Over-the-Horizon Radar system will provide early ...

The over-the-horizon radar system will provide early warning across one of the most contested regions in the world.

The Liberal government has turned its back on made-in-Canada technology for a new radar system, instead partnering with Australia for the $6-billion project. D-TA Systems of Ottawa has been a leader ...