SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM NORTH OF ROTA IN CÁDIZ PROVINCE TO WESTERN AYAMONTE IN HUELVA PROVINCE

MULTI BEAM DATA OBTAINED WITH EM3002D ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS PORT OF BARCELONA

MULTI BEAM DATA OBTAINED WITH EM300 / GEOSSWATH 500 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS APPROACHES OF VALENCIA

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH NW EEZ 2006

MULTIBEAM DATA OBTAINED WITH EM12 ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS SPANISH NW EEZ 2003

MULTI BEAM DATA OBTAINED WITH EM3002D ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS PORT AND APPROACHES OF CASTELLÓN

MULTI BEAM DATA OBTAINED WITH EM3002D ECHOSOUNDER AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS PORT OF LA CORUÑA AND PORT OF FERROL

MULTI BEAM DATA OBTAINED WITH EM300 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM SAN JOSÉ TO SAN AGUSTIÍN IN ALMERÍA PROVINCE

SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM EL CALÓN IN ALMERÍA PROVINCE TO TORRENUEVA IN GRANADA PROVINCE

SINGLE BEAM DATA OBTAINED WITH EA400/EA600 ECHOSOUNDERS AND GPS DIFFERENTIAL POSITIONING SYSTEM. THE SURVEY AREA IS FROM MOTRIL IN GRANADA PROVINCE TO ALGECIRAS IN CÁDIZ PROVINCE