Real-time connected-element radio-interferometer system incorporates two receiving stations, separated by relatively short baseline of only 21 km, communicating via fiber-optic data and timing links. Provides accuracies of 50 to 100 nanoradians for measuring angular positions of interplanetary spacecraft and extra-galactic quasers. Overall system and various components adaptable to such terrestrial uses as navigation and distribution of precise time and frequency reference signals.
Real-Time Connected-Element Radio-Interferometer System
NASA Tech Briefs ; 19 , 3
1995-03-01
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Englisch
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