Articles | Volume 9, issue 3
Earth Surf. Dynam., 9, 673–685, 2021
https://doi.org/10.5194/esurf-9-673-2021
Earth Surf. Dynam., 9, 673–685, 2021
https://doi.org/10.5194/esurf-9-673-2021

Research article 24 Jun 2021

Research article | 24 Jun 2021

Precise water level measurements using low-cost GNSS antenna arrays

David J. Purnell et al.

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Short summary
We present a new technique for precisely monitoring water levels (e.g. sea level, rivers or lakes) using low-cost equipment (approximately USD 100–200) that is simple to build and install. The technique builds on previous work using antennas that were designed for navigation purposes. Multiple antennas in the same location are used to obtain more precise measurements than those obtained when using a single antenna. Software for analysis is provided with the article.