Sorry, I am Russian, this was the first thing that crossed my mind.<p>American, UK and Australian analogues are listed here: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Over-the-horizon_radar" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Over-the-horizon_radar</a>