Measurements of Ultra-Stable Oscillator (USO) Allan Deviations in Space
NASA’s Jet Propulsion Laboratory, Pasadena, California
Friday, February 01 2013
Researchers have used data from the
GRAIL mission to the Moon to make the
first in-flight verification of ultra-stable
oscillators (USOs) with Allan deviation
below 10–13 for 1-to-100-second averaging
times. USOs are flown in space to
provide stable timing and/or navigation
signals for a variety of different science
and programmatic missions.
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