Rangout radar explained

The Rangout (NATO reporting name: Square Tie) is a Soviet naval radar. It was used by small ships for navigation, air and surface search, and target acquisition for the P-15 Termit anti-ship missile.^[1]

The People's Republic of China produced a copy or variant called Type 352.^[2]

Notes and References

1. North Atlantic Treaty Organization . NATO . 12 February 1968 . Current Soviet Bloc Electronic Equipment - Shipborne . https://archives.nato.int/current-soviet-bloc-electronic-equipment-shipborne . I-C . 25 . MC 0262/A/67 .
2. Book: Wertheim, Eric . The Naval Institute Guide to Combat Fleets of the World: Their Ships, Aircraft, and Systems . 2013 . 16 . Naval Institute Press . Annapolis, Maryland . 978-1591149545 . 108.