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GRAIL – a microwave ranging instrument to map out the lunar gravity field

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dc.contributor.author Enzer, Daphna G.
dc.contributor.author Wang, Rabi T.
dc.contributor.author Klipstein, William M.
dc.date.accessioned 2014-09-18T21:33:01Z
dc.date.available 2014-09-18T21:33:01Z
dc.date.issued 2010-06-02
dc.identifier.citation 2010 IEEE International Frequency Control Symposium, Newport Beach, California, June 2-4, 2010 en_US
dc.identifier.clearanceno 10-2287
dc.identifier.uri http://hdl.handle.net/2014/44707
dc.description.abstract Gravity Recovery and Interior Laboratory, or GRAIL, is a NASA mission to map out the gravity field of the moon to an unprecedented level of detail. The instrument for this mission is based on GRACE (Gravity Recovery and Climate Experiment), an earth-orbiting mission currently mapping out the gravity field of the earth. This paper will describe the similarities and differences between these two instruments with a focus on the microwave ranging measurements used to determine the gravity parameters and the testbed built at Jet Propulsion Laboratory to demonstrate micron level ranging capability. The onboard ultrastable oscillator and RF instruments will be described and noise contributions discussed. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2010 en_US
dc.title GRAIL – a microwave ranging instrument to map out the lunar gravity field en_US
dc.type Preprint en_US


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