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- Low-cost internet of things and snapshot geolocation pipeline in marine sensingPublication . Pinto, Pedro José Gouveia; Radeta, Marko; Quintal, FilipeBiologging and biotelemetry are commonly used as methods to assess marine biodiversity pop ulation. However, current state-of-the-art devices (commonly referred to as tags) remain at the greater cost of production while geolocation and georeferencing methods use proprietary satellite constellations, remain expensive and are prone to greater battery usage. This dissertation enhances such state-of-the-art devices, providing affordable tags for multipurpose usage. Dissertation contri bution is two-fold. In first, it describes the design of low-cost telecommunication system comprised from tag emitters and land receivers, evaluated during the sea-vessel field trips in pelagic area of Madeira island. In second, it also describes the software pipeline for deducing the position of tags, leveraging the raw signal from obtained GPS receivers.