also: レーダ
Standard loanword for radar technology and devices; used in technical and everyday contexts.
気象レーダーが大雨を観測した。
The weather radar detected heavy rain.
Ships check their surroundings with radar.
An unidentified flying object showed up on the radar.
They detected the approaching ship with radar.
The fighter jet evaded radar by flying at low altitude.
The airport's radar is operating around the clock.
weather radar; rain radar
radar site