Translation guide
A person who operates radio equipment, especially for communication. In Japanese, the term depends on context: professional roles (e.g., on ships, aircraft, or in the military) use specific titles, while hobbyists use different terms.
A licensed professional who handles radio communications on a ship, aircraft, or military base.
General term for a communications officer or radio operator, especially in maritime or aviation contexts. Often used in official titles.
彼は船の通信士として働いています。
He works as a radio operator on a ship.
More specific term emphasizing wireless communication. Common in job titles and licenses.
無線通信士の資格を取るには試験が必要です。
You need to pass an exam to get a radio operator's license.
Older or more informal term for a radio operator, often used in military or historical contexts.
彼は戦時中、無線手として従軍した。
He served as a radio operator during the war.
A hobbyist who operates a ham radio station.
Standard term for a ham radio enthusiast. Often shortened to ハム (ham) in casual conversation.
彼はアマチュア無線家で、毎晩交信を楽しんでいる。
He's a ham radio operator and enjoys making contacts every night.
Casual term for a ham radio operator, derived from 'ham'. Often used among enthusiasts.
あの人はハムだよ。
That person is a ham (radio operator).
Someone who operates a radio device, not necessarily a professional or hobbyist.
Descriptive phrase meaning 'person who operates a radio'. Useful when no specific title applies.
無線を操作する人は免許が必要ですか？
Does a person operating a radio need a license?
通信士 is a broader term that can include wired communication officers, while 無線通信士 specifically refers to wireless (radio) operators. In most modern contexts, they are interchangeable for radio operators.
In Japan, radio operator licenses are categorized by class (e.g., 第一級総合無線通信士 for First-Class Radio Operator). The term 無線従事者 (むせんじゅうじしゃ) is the legal term for a licensed radio operator.