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Exploring and Quantifying the Contribution of Linear Coordinate Functions at NOAA CORS Network Stations to the 2022 Intra-Frame Velocity Model: An Experiment
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2020
[PDF-14.88 MB]
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Description:While other groups are working with NGS for incorporating multiple data sources into the best IFVM we can make, this report reflects a simplified version based solely upon data that was immediately on hand at NGS: the velocities and discontinuities at the NOAA CORS Network (NCN) and the IGS Network. The software to grid these velocities and discontinuities was readily available through a modification of the recently re-created NADCON and VERTCON build software within NGS. Having said that, it was not expected that the grids created in this version of the IFVM would reflect the final IFVM choice in 2022. But there is certainly an elegance and simplicity to this approach which NGS will consider. As such, this study was undertaken solely as an experiment, to gather knowledge first and, secondarily, to see if any sort of reasonable IFVM could be created that might be used when testing the LSA code which would generate RECs.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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