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Solar Radio Data

identificationInfo
distributionInfo
metadataMaintenance

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    fileIdentifier:  gov.noaa.ngdc.stp.solar:G00216
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  (CI_ResponsibleParty)
        individualName:  Solar Data Manager
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        contactInfo:  (CI_Contact)
            phone:  (CI_Telephone)
                voice:  303.497.6133 or 303.497.6323
                facsimile:  (303) 497-6513
            address:  (CI_Address)
                deliveryPoint:  NOAA/NESDIS/NGDC E/GC2 325 Broadway
                city:  Boulder
                administrativeArea:  CO
                postalCode:  80305
                country:  USA
                electronicMailAddress:  solar.ngdc@noaa.gov
            hoursOfService:  7:30 - 4:30 Mountain
            contactInstructions:  Contact Data Center
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2011-11-17
    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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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  Solar Radio Data
            date:  (CI_Date)
                date:  1973
                dateType:  (CI_DateTypeCode) publication
            edition:  First
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce (comp.)
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  WDC/STP, Boulder > World Data Center for Solar-Terrestrial Physics, Boulder
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  WDC/Solar Radion Emissions > World Data Center for Solar Radio Emissions, Japan
                role:  (CI_RoleCode) originator
        abstract:  Scientists monitor the structure of the solar corona, the outer most regions of the Sun's atmosphere, using radio waves. The surface of the Sun is 6,000 degrees Kelvin, while the high corona can reach several million degrees Kelvin. Solar radio emissions at different frequencies allow us to observe radiation from different heights in the atmosphere. The lower the frequency, the higher the height of origin. The frequency, like the electron density, decreases uniformly outwards: 245 MHz originates high in the corona, while 15,400 MHz originates in the low corona. The 5 MHz emission corresponds to about 10 solar radii height. For a detailed review, see McLean and Labrum (1985)Solar Radiophysics.Radio bursts are associated with solar flares. The delay at Earth of the different radio frequencies during burst events is due to the outward movement of the source. Bursts can have temperatures of 10xE12 degrees Kelvin. Large bursts last 10 to 20 minutes on average. Longer radio noise storms of persistent and variable high levels of radiation originate in sunspot groups, areas of large, intense magnetic fields. These storms are strongly circularly polarized due to the intense magnetic fields.The microwave wavelength 2800 MHz daily radio flux correlates highly with the daily sunspot number and the two databases are used interchangeably. The 2800 MHz, or 10.7 cm, responds to the same conditions that produce changes in the visible and X-ray wavelengths. Schmahl and Kundu (1995) find that the solar radio fluxes in the spectral range 1000-9400 MHz correlate well with the total solar irradiance. The intermediate frequencies (at 2800 and 3750 MHz) are produced mainly by free-free gyroresonance emission from sunspot structures, while 1000 and 9400 MHz flux are produced mainly by free-free processes from structures associated with plages. They can distinguish plage-associated emission from spot-associated emission in the time series of microwave flux, both contributing opposing effects on the total solar irradiance.
        purpose:  To provide long-term scientific data stewardship for the Nation's geophysical data, ensuring quality, integrity, and accessibility.
        status:  (MD_ProgressCode) underDevelopment
        pointOfContact:  (CI_ResponsibleParty)
            individualName:  Solar Data Manager
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  303.497.6133 or 303.497.6323
                    facsimile:  (303) 497-6513
                address:  (CI_Address)
                    deliveryPoint:  NOAA/NESDIS/NGDC E/GC2 325 Broadway
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305
                    country:  USA
                    electronicMailAddress:  solar.ngdc@noaa.gov
                hoursOfService:  7:30 - 4:30 Mountain
                contactInstructions:  Contact Data Center
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) monthly
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Earth Science > Sun-Earth Interactions > Solar Activity > Solar Radio Wave Emissions
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NASA/Global Change Master Directory (GCMD) Earth Science Keywords
                date:  (CI_Date)
                    date:  2007-04
                    dateType:  (CI_DateTypeCode) revision
                edition:  Version 6.0.0.0.0
                editionDate:  2007-04
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA/GSFC/SED/ESD/GCDC/GCMD > Global Change Master Directory, Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://gcmd.gsfc.nasa.gov/Resources/valids/archives/keyword_list.html
                            protocol:  http
                            applicationProfile:  web browser
                            name:  GCMD Keywords, Version 6.0.0.0.0
                            description:  Thesuarus for earth science keywords and associated directories hosted and maintained by NASA.
                            function:  (CI_OnLineFunctionCode) information
                    role:  (CI_RoleCode) resourceProvider
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Ottawa 10.7 cm Flux
            keyword:  Quiet Sun Flux
            keyword:  Slowly Varying Component
            keyword:  Solar Physics
            keyword:  Solar Radio Flux
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  WDC/STP, BOULDER > World Data Center for Solar-Terrestrial Physics, Boulder
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            type:  (MD_KeywordTypeCode) dataCenter
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Data Center Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Space > Solar Region > Chromosphere
            keyword:  Space > Solar Region > Corona
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Location Keywords
                date:
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Access Constraints: No Constraints Use Constraints: None Distribution Liability: While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data.
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        extent:  (EX_Extent)
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  1947-02-14
                    endPosition:
        supplementalInformation:  This archive includes: Solar Radio Bursts at fixed frequencies, Event listings from worldwide networks, Solar Radio Flux - Noon Flux Measurements from Ottawa/Penticton (10.7 cm/2800 MHz) and USAF stations (8 fixed frequencies between 245-15,000 MHz), International Astronomical Union QBSA daily solar radio noon flux values -- from 55 stations, for the time period 1949-1986 (722 station-years, 16.6 Mbytes), USAF Radio Solar Telescope Network RSTN 1 second Data - 8 selected frequencies from four worldwide station networks, Solar Radio Spectral Data 1967-present - Spectral Event Listings from worldwide network, andUSAF RSTN Solar Radio Spectral Graphical Data from four Stations, with viewing software and East-West Solar Radio Scans from 1957 - present.
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  ASCII
            version:
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                individualName:  Solar Data Manager
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  303.497.6133 or 303.497.6323
                        facsimile:  (303) 497-6513
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/NESDIS/NGDC E/GC2 325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305
                        country:  USA
                        electronicMailAddress:  solar.ngdc@noaa.gov
                    hoursOfService:  7:30 - 4:30 Mountain
                    contactInstructions:  Contact Data Center
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  $100.00/$75.00 plus handling and shipping outside the USA
                orderingInstructions:  Ordering Instructions: Product may be ordered directly from our online store via: http://ols.nndc.noaa.gov/plolstore/plsql/olstore.prodspecific?prodnum=G01254-CDR-A0001 Custom Order Process: Contact data center for information
                turnaround:  4 Days
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  30745.5
            onLine:  (CI_OnlineResource)
                linkage: http://www.ngdc.noaa.gov/stp/SOLAR/ftpsolarradio.html
            onLine:  (CI_OnlineResource)
                linkage:  ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA/SOLAR_RADIO
            onLine:  (CI_OnlineResource)
                linkage: http://www.ngdc.noaa.gov/stp/SOLAR/ftpsolarradio.html
            onLine:  (CI_OnlineResource)
                linkage:  ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA/SOLAR_RADIO
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                name:  (MD_MediumNameCode) cdRom
                mediumFormat:  (MD_MediumFormatCode) iso9660
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        maintenanceNote:  This metadata was automatically generated from the Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata standard version FGDC-STD-012-2002 using the June 2011 version of the FGDC RSE to ISO 19115-2 transform. The Spatial Reference Information is not currently mapped over to ISO but will be mapped in future versions.
        contact:  (CI_ResponsibleParty)
            individualName:  Solar Data Manager
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  303.497.6133 or 303.497.6323
                    facsimile:  (303) 497-6513
                address:  (CI_Address)
                    deliveryPoint:  NOAA/NESDIS/NGDC E/GC2 325 Broadway
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305
                    country:  USA
                    electronicMailAddress:  solar.ngdc@noaa.gov
                hoursOfService:  7:30 - 4:30 Mountain
                contactInstructions:  Contact Data Center
            role:  (CI_RoleCode) custodian