Cost-effective GNSS as a tool for monitoring volcanic deformation: A case study on Saba in the Lesser Antilles

Andreas Krietemeyer*, Elske van Dalfsen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

We present the design and positioning results of four cost-effective Global Navigation Satellite System (GNSS) units deployed on Saba, Caribbean Netherlands. Despite harsh environmental conditions and initial prototyping challenges the units function well. Each unit costs less than €1.000 and integrates solar charging capabilities, data logging and data transmission via the introduced 4G extension. The positioning performance of the cost-effective units is comparable to those of conventional permanent GNSS stations on the island, with standard deviations in the horizontal and vertical components within 2–4 mm and 6–9 mm, respectively. The cost-effective units can be used to expand existing GNSS monitoring networks or to build stand-alone networks in budget-constrained environments. Their rapid deployment solution makes them suitable for hazardous applications. Future improvements to the current Printed Circuit Board (PCB) design, implementing the presented changes, are anticipated. The schematics of the PCBs, material lists, and software are made available to the community.

Original languageEnglish
Article number108263
Number of pages13
JournalJournal of Volcanology and Geothermal Research
Volume459
DOIs
Publication statusPublished - 2025

Keywords

  • Cost-effective
  • Deformation monitoring
  • GNSS
  • Lesser Antilles
  • Saba
  • Volcano monitoring

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