DESCRIZIONE
Provided is a radar apparatus capable of suitably transmitting a transmission signal according to a target object existing around the radar apparatus, and suitably displaying one of the target object therearound, a response signal of a radar beacon etc. The radar apparatus includes a determiner configured to determine one of a target object and an area, an angular range setter configured to set an angular range centering on the position of the radar apparatus to include the one of the target object and the area determined by the determiner, and a transmission signal controller configured to change a waveform of the transmission signal to be different between a direction within the angular range and a direction outside the angular range.