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CLSA Webinar: Hybrid Survey Networks

Presented by Daniel Gillins, Ph.D.

Existing NGS height modernization surveying guidelines require long-duration static GNSS baseline observations(e.g.,NGS-58) to derive ellipsoid heights with network accuracies less than 5cm at 95%confidence.

In an effort to develop a more efficient approach, this study explored the idea of creating a hybrid network by combining NRTK baseline observations from a RTN with static postpro-cessed baseline observations and performing a simultaneous least-squares adjustment.

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