Authors / CoAuthors
Titov, O. | Dawson, J.
Abstract
The AuScope geodetic Very Long Baseline Interferometry (VLBI) array consisting of three new 12 m radio telescopes Hobart (Tasmania), Katherine (Northern Territory) and Yarragadee (Western Australia) and a correlation facility in Perth (Western Australia) has started operations in 2010. The daily station positions of the AuScope array are estimated with a precision of a few millimetres, whereas the daily positions vary within a range of 20-30 mm on the annual scale. The most recent analysis of the geodetic VLBI sessions reveals small linear trends in the times series of baseline length between the Australian and New Zealand stations. In addition, a seasonal signal of about 10 millimetres was detected for baseline Hobart12-Katherine. This signal is consistent with collocated GPS data. It should be incorporated to the fitting model to improve the estimates of positions and linear velocities. More details on the geodetic results are discussed in this paper.
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nonGeographicDataset
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78618
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- External PublicationAbstract
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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2013-12-04T00:00:00
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