NASA's Voyager 1 spacecraft has re-established contact with Earth using a 1981 radio transmitter after a technical issue disrupted communication for days. Launched in 1977, Voyager 1 is the farthest spacecraft from Earth, continuing to observe interstellar space. Despite its age, the team has been creative in resolving technical issues to keep the journey going.

Source: https://www.wionews.com/science/nasas-voyager-1-re-establishes-contact-using-1981-radio-transmitter-772687