downlink

noun
down·​link | \ˈdau̇n-ˌliŋk \

Definition of downlink 

(Entry 1 of 2)

: a communications channel for receiving transmissions from a spacecraft also : such transmissions

downlink

verb

Definition of downlink (Entry 2 of 2)

transitive verb

: to transmit (data) from a spacecraft or satellite to a receiver on earth

Examples of downlink in a Sentence

Recent Examples on the Web: Noun

As a result, the spacecraft automatically entered safe mode, losing downlink with the Deep Space Network. John Wenz, Popular Mechanics, "NASA's Pluto-Bound Probe is Back Online and Ready to Go," 6 July 2015 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 The downlink lasted only 20 minutes, but that precious time is something these students will always remember. David Aaro, miamiherald, "From space station, astronauts have long-distance video chat with students | Miami Herald," 30 Apr. 2018 The downlink speeds—the rate at which ISS can send data to ground stations—is a blazing 300 megabits per second. Sean Gallagher, Ars Technica, "ISS astronauts will get their own Star Wars premiere—in space," 15 Dec. 2017 Mission control will watch over the downlink for the last bits of Cassini’s data. Shannon Stirone, The Atlantic, "The NASA Team That Kills Spacecraft," 12 Sep. 2017 The images are still on the spacecraft, so Church is monitoring its data from her computer—one of a dozen on the table, some open, some closed—and instant messaging her colleagues at Lockheed Martin in Denver for the status of the downlink. David W. Brown, The Atlantic, "In the Control Room When a NASA Spacecraft Goes Silent," 29 Sep. 2017 That’s more reliable than in the past, when satellite uplinks and downlinks were key. Nancy Dahlberg, miamiherald, "What you can do now to ready your technology for the storm," 5 Sep. 2017 In one precautionary move, NASA re-routed video downlinks of science research being performed 250 miles overhead on the space station to the Marshall Space Flight Center in Huntsville, Ala., which already supports station research. James Dean, USA TODAY, "Harvey closes Johnson Space Center, but space station still monitored," 29 Aug. 2017

Recent Examples on the Web: Verb

The space telescope will fly in a large ellipse that takes it out beyond the moon and then in close to the Earth to downlink its data. Jay Bennett, Popular Mechanics, "SpaceX Successfully Launches TESS Space Telescope (Updated)," 18 Apr. 2018 The first science data, post-flyby, is expected to start downlinking to Earth on July 15, including imaging. John Wenz, Popular Mechanics, "NASA's Pluto-Bound Probe is Back Online and Ready to Go," 6 July 2015 Space felt a little closer to home at Fairchild Tropical Botanical Garden in Coral Gables as Miami students participated in a live question and answer downlink with two astronauts currently aboard the International Space Station(ISS). David Aaro, miamiherald, "From space station, astronauts have long-distance video chat with students | Miami Herald," 30 Apr. 2018 While the photos were successful, the astronauts found themselves in the unusual position of having no one to downlink their photo data. David Grossman, Popular Mechanics, "Hurricane Harvey Closes NASA Johnson Space Center," 28 Aug. 2017 On Monday, a NASA spokeswoman told Fox News the raw images were expected to be downlinked and available on Friday, July 14. Fox News, "PHOTOS: NASA's Juno spacecraft releases first images of Jupiter's Great Red Spot," 12 July 2017

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

See More

First Known Use of downlink

Noun

1963, in the meaning defined above

Verb

1977, in the meaning defined above

Keep scrolling for more

Learn More about downlink

Dictionary Entries near downlink

downless

downlight

downline

downlink

download

down lock

downlooked

Statistics for downlink

Look-up Popularity

Time Traveler for downlink

The first known use of downlink was in 1963

See more words from the same year

More from Merriam-Webster on downlink

See words that rhyme with downlink

Britannica.com: Encyclopedia article about downlink

Comments on downlink

What made you want to look up downlink? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

by force of circumstances

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!