Translation guide
A device or method for determining the direction of a signal source, such as a radio transmitter. In Japanese, this is typically expressed with technical compound nouns.
A device that determines the direction of a radio signal, used in navigation or tracking.
Any instrument or tool used to find direction, not limited to radio.
General term for a direction indicator or compass-like device. Can refer to a simple magnetic compass or a more complex instrument.
登山には方位計が欠かせない。
A direction finder is essential for mountain climbing.
Standard technical term for a radio direction finder. Used in aviation, marine, and military contexts.
この船には最新の方向探知機が搭載されている。
This ship is equipped with the latest direction finder.
Literally 'bearing measuring device'. Often used interchangeably with 方向探知機, but can be slightly broader.
方位測定器を使って遭難信号の発信源を特定した。
We located the source of the distress signal using a direction finder.
Abbreviation for 'direction finder', commonly used in technical and military contexts. Pronounced ディーエフ.
DF装置で電波の発信方向を探る。
We use a DF device to find the direction of the radio wave.
Literally 'direction indicator'. Often used for turn signals in vehicles, but can also refer to a device that shows direction.
Primarily means 'turn signal' in automotive contexts. For navigation devices, 方位計 or 方向探知機 are clearer.
車の方向指示器が故障している。
The car's direction indicator is broken.