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00:00But how does Wi-Fi work in a plane?
00:03A plane offers internet access to passengers
00:06thanks to telecommunications satellites.
00:08When aircraft fly at cruising altitude,
00:11the plane's antenna connects to geostationary-orbit satellites.
00:16These satellites send signals to telecommunications relays
00:19that the plane's antenna can detect.
00:21The Wi-Fi access point creates Wi-Fi coverage areas
00:24strategically placed in the plane
00:26to meet passengers' expectations.
00:30NASA Jet Propulsion Laboratory, California Institute of Technology