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Noise in the Echosounder – Part 2
Noise in echosounders with FM or CHIRP pulse: Part 2For fishing technicians and captains who use echosounders, noise management is crucial, since noise can compete directly with the signal and affect the accuracy of these instruments. CHIRP technology, which uses frequency-modulated (FM) pulses, has improved […]
Noise in the Echosounder · Part I
The aim of the following article is to define what noise is in an echosounder and to distinguish its sources; we then propose a series of steps to mitigate or reduce noise and, finally, we discuss the tools available to deal with unwanted information on […]
Seaman Echosounders: Effective Tools for Efficient and Sustainable Fishing
At the next edition of Navalia, Seaman Europa will present its latest innovation.The FMF-900 echosounder, a revolutionary tool designed to boost professional fishing in an efficient and sustainable way. In a context marked by climate change impacting marine ecosystems, marine species are adapting their behavior […]
Zero Discards: The Perfect Storm
In its January 21, 2018 edition, the digital version of the newspaper “FARO DE VIGO” ran the headline “Eleven months to the perfect storm”. Anywhere else in the world but Vigo, Galicia, this might refer to the “remake” of a Hollywood release or to an […]
SPLIT BEAM Echosounders: Myths and Facts
SPLIT BEAM Echosounders:Myths and Facts The growth of Split Beam In our work in countries with fisheries as diverse as the United States, Argentina, Peru and Spain, we have gathered experience about what can be achieved with SPLIT BEAM acoustic technology and also about the […]
The Battle for Sustainability
The city of Iquique, in northern Chile, on the coast of the arid Atacama Desert and close to the border with Peru, is the anchoveta fishing ground par excellence. Anchoveta is a pelagic species that forms large schools. It is mainly used to produce fishmeal […]