Short Turn-Around Intercontinental Clock Synchronization Using Very-Long-Baseline Interferometry-A Progress Report

G.A. Madrid, T.P. Yunok, R.B. Henderson

Abstract:	During the past year we have been working to bring into regular operation a new VLBI system for making intercontinental clock comparisons (as well as UT1 and polar motion measurements) with a turn-around of a few days from the time of data taking. Earlier R&D VLBI systems have required several weeks to produce results. The new system, which is not yet complete, incorporates a number of refinements not available to us in earlier systems, such as dual frequency Ionospheric delay cancellation and wider synthesized bandwidths with instrumental phase calibration. In this paper we report on the state of the new system and give examples of its current performance.
Published in:	Proceedings of the 12th Annual Precise Time and Time Interval Systems and Applications Meeting December 2 - 4, 1980 Goddard Space Flight Center Greenbelt, Maryland
Pages:	445 - 460
Cite this article:	Madrid, G.A., Yunok, T.P., Henderson, R.B., "Short Turn-Around Intercontinental Clock Synchronization Using Very-Long-Baseline Interferometry-A Progress Report," Proceedings of the 12th Annual Precise Time and Time Interval Systems and Applications Meeting, Greenbelt, Maryland, December 1980, pp. 445-460.
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