uplink

noun up·link \ ˈəp-ˌliŋk \

|Updated on: 1 Jul 2018

Definition of uplink

1 : a communications channel for transmissions to a spacecraft or satellite; also : the transmissions themselves

2 : a facility on earth for transmitting to a spacecraft or satellite

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uplink

verb

Recent Examples of uplink from the Web

Martian spacecraft have uplink and downlink windows that vary throughout the year due to differences between Earth and Mars rotations, according to Canberra.

— joe pappalardo, Popular Mechanics, "The Time I Thought a Mars Rover Spoke To Me On a Barstool," 15 June 2018
Sometimes those envelopes contain the uplink, or commands.

— shannon stirone, Longreads, "Welcome to the Center of the Universe," 15 Mar. 2018
In the case of the WGN news broadcast, engineers were able to change the frequency used in the uplink to the John Hancock tower after a brief interruption, and the audio from the pirate transmission was drowned in static.

— sean gallagher, Ars Technica, "Thirty years later, “Max Headroom” TV pirate remains at large," 22 Nov. 2017
Instead of computing on its own, Minitel connected to remote services via uplink, like a 1960s mainframe or a modern Google Chromebook.

— julien mailland, The Atlantic, "Minitel, the Open Network Before the Internet," 16 June 2017
However, some groups will need 10 years, and others like air combat training telemetry and high-powered satellite uplink users, will just share spectrum rather than move to a new spectrum band.

— eric tegler, Popular Mechanics, "Our Invisible Data Highway Is a Congested Mess," 30 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uplink.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.