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EK500 Water Column Sonar Data Collected During MF0309


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    language:  eng; USA
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    hierarchyLevel:  (MD_ScopeCode) series
    hierarchyLevelName:  Water Column Sonar Series-Level Metadata
    contact:  (CI_ResponsibleParty)
        organisationName:  NOAA National Centers for Environmental Information
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    dateStamp:  2020-06-03
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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            code:  Vertical Datum: Unknown
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  EK500 Water Column Sonar Data Collected During MF0309
            date:  (CI_Date)
                date:  2003-06-04
                dateType:  (CI_DateTypeCode) creation
            date:  (CI_Date)
                date:  2017-01-03
                dateType:  (CI_DateTypeCode) publication
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  NOAA National Centers for Environmental Information
                    date: (inapplicable)
                code:  MF0309_EK500
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  International DOI Foundation (IDF)
                    date: (inapplicable)
                code:
                  Anchor:  DOI doi:10.7289/V51834KK
            identifier:  (MD_Identifier)
                authority:  (CI_Citation)
                    title:  NOAA National Centers for Environmental Information
                    date: (inapplicable)
                code:  NCEI Metadata ID:gov.noaa.ngdc.mgg.wcd:MF0309_EK500
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                organisationName:  NOAA National Centers for Environmental Information
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                individualName:  Chris Wilson
                organisationName:  DOC/NOAA/NMFS/AFSC > Alaska Fisheries Science Center
                positionName:  Supervisory Research Fish Biologist
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  (206) 526-6435
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                        deliveryPoint:  7600 Sand Point Way N.E., Building 4
                        city:  Seattle
                        administrativeArea:  WA
                        postalCode:  98115
                        country:  USA
                        electronicMailAddress:  chris.wilson@noaa.gov
                role:  (CI_RoleCode) principalInvestigator
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                organisationName:  DOC/NOAA/NMFS/AFSC > Alaska Fisheries Science Center
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                        voice:  206-526-4000
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                        deliveryPoint:  7600 Sand Point Way N.E., Building 4
                        city:  Seattle
                        administrativeArea:  WA
                        postalCode:  98115
                        country:  USA
                        electronicMailAddress:
                role:  (CI_RoleCode) author
        abstract:  Acoustic-Trawl Survey of Walleye Pollock in the Gulf of Alaska (MF0309, EK500). The Midwater Assessment and Conservation Engineering (MACE) program of NOAA National Marine Fisheries Service (NMFS), Alaska Fisheries Science Center (AFSC) conducted an acoustic-trawl (AT) stock assessment survey in the Gulf of Alaska during late spring/early summer of 2003 to estimate the distribution and abundance of walleye pollock (Theragra chalcogramma). The survey was conducted along the Gulf of Alaska (GOA) shelf and shelfbreak from the Shumagin Islands to Prince William Sound, 4 June to 16 July 2003, aboard NOAA Ship Miller Freeman, a 66 meter stern trawler equipped with acoustic and oceanographic instrumentation. The vessel departed Kodiak, Alaska on 4 June and arrived in Kodiak on 16 July. The echosounder system was calibrated at the start of the cruise in Three Saints Bay, Kodiak Island, Alaska on 5 June, and at the end of the cruise in Ugak Bay, Kodiak Island, Alaska, 16 July 2003.
        purpose:  Acoustic-trawl (AT) survey of walleye pollock (Theragra chalcogramma) in the Gulf of Alaska, 4 June to 16 July 2003
        status:  (MD_ProgressCode) completed
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            organisationName:  NOAA National Centers for Environmental Information
            positionName:  Water Column Sonar Data Manager
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                phone:  (CI_Telephone)
                    voice:  (303) 497-4742
                address:  (CI_Address)
                    deliveryPoint:  325 Broadway, Mail Code E/NE42
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305-3328
                    country:  USA
                    electronicMailAddress:  wcd.info@noaa.gov
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) notPlanned
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Oceans > Ocean Acoustics > Acoustic Scattering
            keyword:  Earth Science > Oceans > Aquatic Sciences > Fisheries
            keyword:  Earth Science > Oceans > Ocean Acoustics
            keyword:  Earth Science > Biosphere > Ecosystems > Marine Ecosystems > Pelagic
            keyword:  Earth Science > Biosphere > Ecosystems > Marine Ecosystems
            keyword:  Earth Science > Biosphere > Ecosystems > Marine Ecosystems > Benthic
            keyword:  Earth Science > Biosphere > Ecosystems > Aquatic Ecosystems
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry
            keyword:  Earth Science > Oceans > Bathymetry/Seafloor Topography > Seafloor Topography
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                title:  Global Change Master Directory (GCMD) Science Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Gulf of Alaska
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
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                    date:  2010-08-24
                    dateType:  (CI_DateTypeCode) revision
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                    organisationName:  International Hydrographic Organization (IHO) Sea Area ("Limits of Oceans and Seas" publication S-23)
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                            linkage: https://iho.int/
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                            description:  Publication of Sea Areas is maintained by IHO.
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            keyword:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            keyword:  DOC/NOAA/NMFS > National Marine Fisheries Service, NOAA, U.S. Department of Commerce
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                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
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            keyword:  Vertical Location > Water Column
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            keyword:  In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > WCMS > Water Column Mapping System
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                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
                            name:  Global Change Master Directory (GCMD) Keywords
                            description:  The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) custodian
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: Alaska Fisheries Science Center. 2003. 'EK500 Water Column Sonar Data Collected During MF0309'. NOAA National Centers for Environmental Information. doi:10.7289/V51834KK [access date]
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  These data are considered raw and have not been subjected to the NOAA's quality control or quality assurance procedures. They are released for limited public use as preliminary data to be used only with appropriate caution. NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Not subject to copyright protection within the United States.
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Resource may not be available for up to one year after initial collection.
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetIdentifier:  (MD_Identifier)
                code:  MF0309
            associationType:  (DS_AssociationTypeCode) largerWorkCitation
            initiativeType:  (DS_InitiativeTypeCode) operation
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetIdentifier:  (MD_Identifier)
                code:  AFSC Gulf of Alaska acoustic-trawl stock abundance surveys of walleye pollock
            associationType:  (DS_AssociationTypeCode) largerWorkCitation
            initiativeType:  (DS_InitiativeTypeCode) program
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) oceans
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -160.58005
                eastBoundLongitude:  -15.39866
                southBoundLatitude:  54.47687
                northBoundLatitude:  60.83285
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  2003-06-04T00:00:00
                    endPosition:  2003-07-15T23:59:59
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    contentInfo:  (MI_CoverageDescription)
        attributeDescription:
          RecordType:  Trackline
        contentType:  (MD_CoverageContentTypeCode) physicalMeasurement
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    distributionInfo:  (MD_Distribution)
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                contactInfo:  (CI_Contact)
                    address:  (CI_Address)
                        electronicMailAddress:  ncei.info@noaa.gov
                    onlineResource:  (CI_OnlineResource)
                        linkage: https://www.ncei.noaa.gov/contact
                        name:  NCEI Contact Information
                        description:  Information for contacts at NCEI.
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                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  Free
                orderingInstructions:  Contact the NCEI Water Column Sonar Data Manager to order data.
            distributorFormat:  (MD_Format)
                name:  Simrad EK500 data logged in .ek5 format
                version:  1
                specification:  Kongsberg/Simrad .raw files are generated by ME70, EK60 or ES60 instruments. They contain power and optionally angular position data with each beam/frequency identified by an independent channel. See the Simrad interface specification manual for further information. The .wcd files are generated by Kongsberg EM302 or EM122 instruments. See Kongsberg documentation for more information.
            distributorTransferOptions:  (MD_DigitalTransferOptions)
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                    linkage: http://maps.ngdc.noaa.gov/viewers/water_column_sonar/
                    protocol:  HTTPS
                    name:  Water Column Sonar Data Map Viewer
                    description:  Interactive map viewer to allow discovery and access to water column sonar data
                    function:  (CI_OnLineFunctionCode) search
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                onLine:  (CI_OnlineResource)
                    linkage: https://www.ngdc.noaa.gov/mgg/wcd/
                    protocol:  HTTPS
                    name:  Water Column Sonar Data Archive Homepage
                    description:  Web page containing information on the water column sonar data archive.
                    function:  (CI_OnLineFunctionCode) information
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) collectionHardware
            extent:  (EX_Extent)
                description:  Three Saints Bay, Kodiak Island, Alaska USA
                geographicElement:  (EX_BoundingPolygon)
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                      Point:
                        pos:  -153.513 57.174
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                    extent:
                      TimeInstant:
                        timePosition:  2003-06-05
            levelDescription:  (MD_ScopeDescription)
                other:  Instrument calibration information
        lineage:  (LI_Lineage)
            statement:  Calibrated w/o calibration data
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        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) series
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy
            result:  (DQ_ConformanceResult)
                specification: (inapplicable)
                explanation:  Positional accuracy dependent on navigation GPS, ship motion correction, and sound velocity profile accuracy.
                pass:  true
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            nameOfMeasure:  Vertical Positional Accuracy
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        lineage:  (LI_Lineage)
            processStep:  (LI_ProcessStep)
                description:  Raw unprocessed data files
                dateTime:
                  DateTime:  2003-06-04T00:00:00
                processor:  (CI_ResponsibleParty)
                    individualName:  Chris Wilson
                    organisationName:  DOC/NOAA/NMFS/AFSC > Alaska Fisheries Science Center
                    positionName:  Supervisory Research Fish Biologist
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  (206) 526-6435
                        address:  (CI_Address)
                            deliveryPoint:  7600 Sand Point Way N.E., Building 4
                            city:  Seattle
                            administrativeArea:  WA
                            postalCode:  98115
                            country:  USA
                            electronicMailAddress:  chris.wilson@noaa.gov
                    role:  (CI_RoleCode) principalInvestigator
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        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) series
        lineage:  (LI_Lineage)
            statement:  The primary acoustic instruments for the survey were a Simrad EK500 split-beam echosounder system utilizing two frequencies (38 and 120 kHz), and a Simrad EK60 split-beam echosounder operating at 200 kHz. The transducers installed on the Miller Freeman were mounted on a deployable centerboard. The transducer draft settings are nominally correct when the centerboard is fully extended (draft correction setting is 9.15 meters below the surface). When the centerboard is in the retracted position (transducers approximately flush with the vessel's keel), the transducers are nominally 6.15 meters below the surface. The echosounder system was calibrated at the start of the cruise in Three Saints Bay, Kodiak Island, Alaska 6 June 2003, and at the end of the cruise, 16 July 2003 in Ugak Bay, Kodiak Island, Alaska.
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            citation:  (CI_Citation)
                title:  Simrad EK500 Echosounder
                date: (inapplicable)
                identifier:  (MD_Identifier)
                    code:  EK500
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  Simrad - Kongsberg Maritime AS
                    contactInfo:  (CI_Contact)
                        phone:  (CI_Telephone)
                            voice:  +47 3303 4000 (Norway)
                            facsimile:  +47 3304 2987 (Norway)
                        address:  (CI_Address)
                            deliveryPoint:  P.O. Box 111
                            deliveryPoint:  Strandpromenaden 50
                            city:  Horten
                            postalCode:  3191
                            country:  Norway
                            electronicMailAddress:  contact@simrad.com
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.kongsberg.com/contentassets/9bcb8e2fac0044e6a065f6aca5385db4/043774ad_ek500_installation_manual_english_complete.pdf
                            name:  Simrad EK500 Scientific echo sounder
                            description:  Information on the Simrad EK500 including file format documentation
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
            identifier:  (MD_Identifier)
                code:  Simrad EK500
            type:  singlebeam
            description:  The EK500 is a triple frequency scientific echo sounder with a range of available single frequency transducers. This echo sounder was widely used by NOAA Marine fisheries researchers until its replacement by the Simrad EK60 echo sounder
        operation:  (MI_Operation)
            identifier:  (MD_Identifier)
                code:  MF0309_EK500
            status:  (MD_ProgressCode) completed
            parentOperation: (inapplicable)
        platform:  (MI_Platform)
            citation:  (CI_Citation)
                title:  NOAA Ship Miller Freeman
                date: (inapplicable)
            identifier:  (MD_Identifier)
                code:  Miller Freeman (MF)
            description:  The Miller Freeman was decommissioned on 3/29/13 after many years of exemplary service. Pictures of the ceremony will be posted here when available - please check back soon. Miller Freeman was a 215-foot fisheries and oceanographic research vessel and was one of the largest research trawlers in the United States. Miller Freeman's primary mission was to provide a working platform for the study of the ocean's living resources. The ship was named for Miller Freeman (1875-1955), a publisher who was actively involved in the international management of fish harvests. The ship was launched in 1967, but not fully rigged until 1975. The vessel was again re-rigged in 1982. Miller Freeman was homeported at the Marine Operations Center-Pacific in Newport, Oregon. With a 12,578 mile / 31 day endurance, Miller Freeman was capable of operating in any waters of the world. Miller Freeman was owned by the United States of America, Department of Commerce's National Oceanic and Atmospheric Administration. The ship was operated by NOAA Marine and Aviation Operations and carried a complement of 7 NOAA Corps officers, 27 crew members, and maximum of 11 scientists.
            sponsor:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/OMAO/MOC-P > Marine Operations Center - Pacific, NOAA Marine Operations, NOAA Office of Marine and Aviation Operations, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        facsimile:  206-553-2246
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/OMAO/MOC-P
                        deliveryPoint:  1801 Fairview Avenue East
                        city:  Seattle
                        administrativeArea:  WA
                        postalCode:  98102-3767
                        country:  USA
                        electronicMailAddress:  CO.MOC.Pacific@noaa.gov
                role:  (CI_RoleCode) pointOfContact
            instrument:  (MI_Instrument)
                citation:  (CI_Citation)
                    title:  Simrad EK60 Echosounder
                    date: (inapplicable)
                    identifier:  (MD_Identifier)
                        code:  EK60
                    citedResponsibleParty:  (CI_ResponsibleParty)
                        organisationName:  Simrad - Kongsberg Maritime AS
                        contactInfo:  (CI_Contact)
                            phone:  (CI_Telephone)
                                voice:  +47 3303 4000 (Norway)
                                facsimile:  +47 3304 2987 (Norway)
                            address:  (CI_Address)
                                deliveryPoint:  P.O. Box 111
                                deliveryPoint:  Strandpromenaden 50
                                city:  Horten
                                postalCode:  3191
                                country:  Norway
                                electronicMailAddress:  contact@simrad.com
                            onlineResource:  (CI_OnlineResource)
                                linkage: http://www.simrad.com/www/01/nokbg0240.nsf/AllWeb/A25148D8E9F00D0DC12570DE0050A7CB?OpenDocument
                                name:  Simrad EK60 Scientific echo sounder
                                description:  Information on the Simrad EK60 including file format documentation.
                                function:  (CI_OnLineFunctionCode) information
                        role:  (CI_RoleCode) resourceProvider
                identifier:  (MD_Identifier)
                    code:  Simrad EK60
                type:  singlebeam
                description:  The Simrad EK60 Scientific Sounder system is a new generation fishery researchtool, based on experience from the EK500. The new electronic hardware is combined with up to date PC processing and Windows operation. The EK60 provides facilities for accurate echo sounding, data storage, data analysis and reporting results. The system communication is through Ethernet, which gives flexibility in the location of the EK60 system units and allows easy access to data from other instruments or stations on a vessel network. A post processing software, BI60, is also included in the EK60 system.