🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsРусскийفارسی한국어中文日本語EntityQ1412075· pop 13· linked from 328 articlesSOFAR channelAlso known as deep sound channel, DSChorizontal layer of water in the ocean at which depth the speed of sound is at its minimumAvailable in 13 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoCzechNorwegianفارسیConnectionssonarEntityEkman transportEntityCategoriesAcousticsAnti-submarine warfareNavigationOceanographySonar