NASA NTRS · 19780031873
VLBI clock synchronization
Abstract
The potential accuracy of VLBI (very long baseline interferometry) for clock epoch and rate comparisons was demonstrated by results from long- and short-baseline experiments. It was found that atomic clocks at widely separated sites (several thousand kilometers apart) can be synchronized to within several nanoseconds from a few minutes of VLBI observations and to within one nanosecond from several hours of observations.
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Counselman, C. C., III, Shapiro, I. I., Rogers, A. E. E., Hinteregger, H. F., Knight, C. A., Whitney, A. R., Clark, T. A.. 1977-11-01. VLBI clock synchronization. https://ntrs.nasa.gov/citations/19780031873
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