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Measurement of Incoherent Scatter

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    fileIdentifier:  gov.noaa.ngdc.stp.ionosphere:G00145
    language:  eng; USA
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    contact:  (CI_ResponsibleParty)
        individualName:  Rob Redmon
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        contactInfo:  (CI_Contact)
            phone:  (CI_Telephone)
                voice:  (303) 497-4331
                facsimile:  (303) 497-6513
            address:  (CI_Address)
                deliveryPoint:  NOAA/NESDIS/NGDC 325 Broadway
                city:  Boulder
                administrativeArea:  CO
                postalCode:  80305
                country:  USA
                electronicMailAddress:  ionosonde@noaa.gov
            hoursOfService:  7:30 - 5:00 Mountain
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2010-10-21
    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:  Measurement of Incoherent Scatter
            date:  (CI_Date)
                date:  1975-01-01
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            edition:  First
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                individualName:  User Services
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                    phone:  (CI_Telephone)
                        voice:  (303) 497-6826
                        facsimile:  (303) 497-6513
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/NESDIS/NGDC E/GC 325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305-3328
                        country:  USA
                        electronicMailAddress:  ngdc.info@noaa.gov
                    hoursOfService:  7:30 - 5:00 Mountain
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                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
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                    phone:  (CI_Telephone)
                        voice:  (303) 497-6826
                        facsimile:  (303) 497-6513
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/NESDIS/NGDC E/GC 325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305-3328
                        country:  USA
                        electronicMailAddress:  ngdc.info@noaa.gov
                    hoursOfService:  7:30 - 5:00 Mountain
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                        linkage: http://www.ngdc.noaa.gov/stp/iono
                        protocol:  http
                        name:  Ionosonde Data Archived at NGDC
                        description:  Ionosonde Data
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        abstract:  For radio waves transmitted through the ionosphere with frequencies much larger (50 to 1300MHz) than the plasma frequency (up to 15MHz), very small-scale fluctuations of electron density will scatter a portion of the signal back toward the transmitter. These fluctuations are caused by the random thermal motions of the electrons. The height at which the scattering occurs can be determined by either a pulse technique or by the use of two intersecting cylindrical radar beams. The height resolutions of a backscattered pulse or beam can vary from 4 to 35 km at a height of 100 km to about 300 km at altitudes above 1000 km, depending on the equipment used and the geographical location of the station. From analysis of the backscattered signals, electron density profiles, electron and ion temperature profiles, and ion composition and ionospheric drift can be determined. The equipment used for the observations determines the vertical extent of the backscattered profiles and the resolution, as well as influencing the procedures used to convert the scattered return to measures of meaningful ionospheric parameters. Radar installations that can make these observations are complex and expensive to operate; consequently, these observations are scheduled on an "as needed" basis, and the equipment is shared for other uses. Although the National Geophysical Data Center (NGDC) has several data tapes, each one is an independent experiment with its own parameters and data format. The National Center for Atmospheric Research (NCAR) now archives these data. Their collection includes the NGDC data and newer Incoherent Scatter data that they receive. NCAR has done significant development work on these data sets. They have created a common archive data format and converted all data to this new format. For additional details about this data set, contact one of the people at the address listed below. NCAR HAO, P.O. Box 3000, Boulder, CO 80307-3000, USA. FAX: 303-497-1589. Barbara Emery: 303-497-1596, emery@ncar.ucar.edu. Roy Barnes: 303-497-1230; bozo@ncar.ucar.edu.
        purpose:  Radio Signal Research
        status:  (MD_ProgressCode) completed
        pointOfContact:  (CI_ResponsibleParty)
            individualName:  Rob Redmon
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  (303) 497-4331
                    facsimile:  (303) 497-6513
                address:  (CI_Address)
                    deliveryPoint:  NOAA/NESDIS/NGDC 325 Broadway
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305
                    country:  USA
                    electronicMailAddress:  ionosonde@noaa.gov
                hoursOfService:  7:30 - 5:00 Mountain
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        descriptiveKeywords:  (MD_Keywords)
            keyword:  EARTH SCIENCE > Solar-terrestrial Interactions > Ionosphere/Magnetosphere Particles > Particle Density
            type:  (MD_KeywordTypeCode) theme
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                title:  NASA/GCMD Earth Science Keywords
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            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
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        resourceConstraints:  (MD_Constraints)
            useLimitation:  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.
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            otherConstraints:  Use Constraints: None
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            otherConstraints:  Access Constraints: No Constraints
        language:  eng; USA
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        extent:  (EX_Extent)
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                westBoundLongitude:  -180.000000
                eastBoundLongitude:  180.000000
                southBoundLatitude:  -90.000000
                northBoundLatitude:  90.000000
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    beginPosition:  1965-11-15
                    endPosition:  1977-12-15
        supplementalInformation:  Observing station type: Solar-Terrestrial Observatory. Data collection type: Network.Quality control: The incoherent scatter data consist of the following data sets: Arecibo I9/I29, N12, N34(Raw), N35(Raw), and N35(reduced); Jicamarca: November 1966-April 1969; Millstone Hill: 1970 and 1971; Saint Santin: November 1965-November 1967, February 1971-May 1975, and January 1976-December 1977.
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            name:  ASCII
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        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                individualName:  Rob Redmon
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  (303) 497-4331
                        facsimile:  (303) 497-6513
                    address:  (CI_Address)
                        deliveryPoint:  NOAA/NESDIS/NGDC 325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305
                        country:  USA
                        electronicMailAddress:  ionosonde@noaa.gov
                    hoursOfService:  7:30 - 5:00 Mountain
                role:  (CI_RoleCode) distributor
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  No cost
                orderingInstructions:  Ordering Instructions: Download data via the ftp site Custom Order Process: Contact data center for information
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              Real:  161.200000
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                linkage:  ftp://ftp.ngdc.noaa.gov/ionosonde
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                name:  Index of STP/Ionosphere
                description:  ftp characteristics of Ionospheric data
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                name:  (MD_MediumNameCode) CARTRIDGE TAPE
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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 2012-08-08 version of the FGDC RSE to ISO 19115-2 transform.
        maintenanceNote:  Translated from FGDC 2012-10-10T11:10:05.391-06:00
        contact:  (CI_ResponsibleParty)
            individualName:  Rob Redmon
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  (303) 497-4331
                    facsimile:  (303) 497-6513
                address:  (CI_Address)
                    deliveryPoint:  NOAA/NESDIS/NGDC 325 Broadway
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305
                    country:  USA
                    electronicMailAddress:  ionosonde@noaa.gov
                hoursOfService:  7:30 - 5:00 Mountain
            role:  (CI_RoleCode) pointOfContact