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Concept, Deep Space Atomic Clock in Earth Orbit

Concept, Deep Space Atomic Clock in Earth Orbit
The planned Deep Space Atomic Clock mission will demonstrate the clock's operability and performance while flown in Earth orbit as a hosted payload. A Global Positioning System receiver and antenna will be connected with the clock in an integrated payload. The clock will have, on average, a view of four satellites and will measure signals transmitt

The planned Deep Space Atomic Clock mission will demonstrate the clock’s operability and performance while flown in Earth orbit as a hosted payload. A Global Positioning System receiver and antenna will be connected with the clock in an integrated payload. The clock will have, on average, a view of four satellites and will measure signals transmitted by each. Together, with data from a global network of dozens of ground GPS receivers, signals can simultaneously estimate the accuracy of the Deep Space Atomic Clock.
Image credit: NASA/JPL