Precise Time Transfer Using MKIII VLBI (Very Long Baseline Interferometry) Technology
NAVAL RESEARCH LAB WASHINGTON DC
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It is well known that Very Long Baseline Interferometry VLBI is capable of precise time synchronization at subnanosecond levels. This paper deals with a demonstration of clock synchronization using the MKIII VLBI system. The results are compared with clock synchronization by traveling cesium clocks and GPS. The comparison agrees within the errors of the portable clocks 5 ns and GPS or - 30 ns systems. The MKIII technology appears to be capable of clock synchronization at subnanosecond levels and appears to be a very good benchmark system against which future time synchronization systems can be evaluated.