abbr. 對(duì)地航速（Speed Over Ground）；直布羅陀海峽（Strait of Gibraltar）
中文詞源
sog 沼澤，濕地
詞源不確定， 可能與 soak 同源。
英文詞源
sog (n.)
"soft or marshy place," 1530s, of unknown origin. Also as a verb, "to become soaked; to soak" (mid-15c.), perhaps related to soak (v.) or from or related to similar words in Scandinavian.