Carlos Barrera¹, Tania Morales¹, Rayco Moran¹, Eduardo Caudet¹, Rubén Marrero¹, Andres Cianca¹, Daniel Alcaraz¹, Francisco Campuzano², Carlos Fernandes³, Joao Tasso Borges de Sousa⁴, Maria Jose Rueda¹ and Octavio Llinas¹, (1)Oceanic Platform of the Canary Islands, Telde, Spain, (2)Técnico Lisboa, Lisbon, Portugal, (3)Instituto Hidrografico, Oceanography Division, Lisboa, Portugal, (4)University of Porto, LSTS, Department of Electrical and Computer Engineering, School of Engineering (FEUP), Porto, Portugal