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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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NASA NTRS2003

JPL VLBI analysis center IVS annual report for 2002

This report describes the activities of the JPL VLBI analysis center for the year 2002. The highlight for the year was the creation of the first sub-milliarcsecond global celestial reference frames at K-band (24 GHz) and Q-band (43 GHz). Our group also continues to do celestial reference frame, earth orientation and spacecraft navigation work at S (2.3 GHz) and X-bands (8.4 GHz).

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