TASS (English spelling) towed array sonar system

Japanese: タス（英語表記）towed array sonar system; TASS

A passive sonar equipped on surface ships and submarines. A linear array of receivers is towed by a cable to receive and detect noise emitted by submarines and other vessels. It is capable of searching for targets at greater distances because it receives low-frequency sound waves that are less attenuated in seawater than conventional cylindrical passive sonars. TASS is divided into TAC TASS (Tactical Towed Passive Sonar), which is equipped on combat vessels and is suitable for high-speed operation, and SUR TASS (Surveillance Towed Passive Sonar), which is equipped on auxiliary vessels and is used exclusively for wide-area surveillance at low speeds.

TASS
TASS; Telegrafnoe Agentstvo Sovetskovo Soyuza

A state-run news agency of the former Soviet Union, headquartered in Moscow. One of the leading international news agencies. Its predecessor was ROSTA (Rossijskoe Telegrafnoe Agentstvo), founded in 1918, and became TASS in 1925. It had 650 domestic correspondents and overseas correspondents in 65 countries, and distributed to approximately 4,500 newspapers. After democratization, in 1991 it became an independent state institution of the Russian Federation from a state-run news agency directly under the Council of Ministers, and in 1992 it was renamed ITAR-TASS.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

水上艦および潜水艦に装備するパッシブソーナー。線状に配列した受波器群をケーブルでえい航し，潜水艦などの放射する雑音を受信検出する。在来の円筒形のパッシブソーナーより海水中での減衰の少ない，低周波音波帯域を受信対象とすることから，より遠距離にある目標を捜索することが可能である。 TASSは，戦闘艦艇に装備し，高速運用に適した TAC TASS (戦術用えい航式パッシブソーナー) と，補助艦艇に装備し，低速運用で広域監視専用に使用する SUR TASS (監視用えい航式パッシブソーナー) とに区分される。

タス
TASS; Telegrafnoe Agentstvo Sovetskovo Soyuza

モスクワに本社のある旧ソ連の国営通信社。代表的な国際通信社の1つ。その前身は 1918年設立の ROSTA (Rossijskoe Telegrafnoe Agentstvo)で，25年に TASSとなった。国内通信員 650人と 65ヵ国への海外特派員を擁し，約 4500の新聞に配信していた。民主化後，1991年それまでの閣僚会議直属の国営通信社から，ロシア連邦の独立した一国家機関となり，92年 ITAR-TASSと改称。

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