bild
VERKEHR RADAR
Radar screen display from a boat. Radar uses radio waves to determine the distance and direction to objects. An emitter sweeps a radio beam around the boat (which is at the centre of the display), and a detector picks up the reflections from objects such as other boats and rocks. Such objects are displayed as green patches. (KEYSTONE/SCIENCE PHOTO LIBRARY/Str) === ===
Instruktionen
COPYRIGHTPFLICHTIG
Lizenz
Rights Managed
Erstellungsdatum
20050101
Ort
Credit
KEYSTONE
Source
SCIENCE PHOTO LIBRARY SPL
Byline
STR
Grösse
4005 x 4359 px
Dateityp
JPEG