Signal pathway from the satellite to the earth.
The radio signal transmitted from a spacecraft to Earth.
(from the article `telecommunications media`) ...of radio repeaters, called transponders, that link terrestrial radio transmitters to terrestrial radio receivers through an uplink (a link from ...
The radio signal received from a spacecraft, as distinct from the uplink which is the signal sent to the spacecraft from the ground.
Signal received from a spacecraft. In the mobile context, the channels from the mobile to the network are the uplink and from the network to the mobile are the downlink. Terminology borrowed from satellite communications.
A signal
a transmission path for data or other signals from a communications satellite or airborne platform to an earth station.