When conducting inshore hydrographic surveys, particularly in areas where there are steep cliffs, or where GPS coverage can be patchy, it’s important to ensure the horizontal and vertical components of GPS data are accurate. Senior Surveyor Rhys Davies explains how iXblue sets up an on-shore GPS base station, how often it logs, and the process used post survey to remove noise and ensure data is accurate.

David Donohue

As Managing Director David's role is to ensure clients' surveys are undertaken with precision and to meet budgets, schedules and relevant survey standards. His particular driving passion is innovation and process improvement.

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