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Cosmic GPS

By Adam Hadhazy

May 2020

The U.S. Global Positioning System has changed how we operate spacecraft in low-Earth orbit. Now GPS is starting to do the equivalent for spacecraft flying beyond the GPS constellation, and someday possibly all the way to the moon, where positioning contributions from other nations could add up to stunning accuracy. Adam Hadhazy tells the story.

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Tracking cubesats

By Amanda Miller

May 2020

Students love their cubesats, except maybe when they lose contact with one in the first days after launch because the team hasn’t yet nailed down its orbital track. Cubesats are often reacquired, but not without frayed nerves and lost experiment time. Amanda Miller spoke to researchers who think they can keep cubesat operators locked onto their satellites from the start.
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