Radar screen. Radar display screen showing a sweep of Lake Windermere,Cumbria,England. The position of the radar is represented by the cross at the centre of the screen. The numbers around the outer circle are bearings in degrees. As the radio beam sweeps round in circles,an image is built up of nearby objects that reflect the beam. Radar (radio detection and ranging) helps to prevent collisions on crowded water | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Cuthbert, Colin |
Bildgröße: | 4039 px × 3959 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |