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There are more than 2,000 active satellites orbiting Earth. At the end of their useful lives, many will simply burn up as they reenter the atmosphere. But some will continue circling as "zombie" satellites — neither alive nor quite dead.
"Most zombie satellites are satellites that are no longer under human control, or have failed to some degree," says Scott Tilley.
Tilley, an amateur radio operator living in Canada, has a passion for hunting them down.
In 2018, he found a signal from a NASA probe called IMAGE that the space agency had lost track of in 2005. With Tilley's help, NASA was able to reestablish contact.
"Most zombie satellites are satellites that are no longer under human control, or have failed to some degree," says Scott Tilley.
Tilley, an amateur radio operator living in Canada, has a passion for hunting them down.
In 2018, he found a signal from a NASA probe called IMAGE that the space agency had lost track of in 2005. With Tilley's help, NASA was able to reestablish contact.
Long-Lost U.S. Military Satellite Found By Amateur Radio Operator
Scott Tilley, a Canadian ham radio enthusiast, used his spare time during COVID-19 lockdown to track down a signal from LES-5, an experimental communications satellite launched in 1967.
www.npr.org
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