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Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency

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    fileIdentifier:  gov.noaa.ngdc.stp.ionosonde:G00551
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  (CI_ResponsibleParty)
        individualName:  Justin Mabie
        organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
        positionName:  Space and Terrestrial Weather Specialist
        contactInfo:  (CI_Contact)
            phone:  (CI_Telephone)
                voice:  (303) 497-6135
                facsimile:  (303) 497-6513
            address:  (CI_Address)
                deliveryPoint:  325 Broadway, Mail Code E/GC4
                city:  Boulder
                administrativeArea:  CO
                postalCode:  80305-3328
                country:  USA
                electronicMailAddress:  Justin.Mabie@noaa.gov
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2010-09-07
    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:  Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency
            date:  (CI_Date)
                date:  1957-01-01
                dateType:  (CI_DateTypeCode) publication
            edition:  First
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  User Services
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  (303) 497-6826
                        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
                contactInfo:  (CI_Contact)
                    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
                role:  (CI_RoleCode) originator
            series:  (CI_Series)
                name:  Upper Atmosphere Geophysics (UAG) International Standard Serial Numbers (ISSN)
                issueIdentification:  'ISSN 0579-7144, UAG 93, Ionogram Analysis with Generalized Program Polan.'
        abstract:  The standard (analog) ionosonde produces photographic records known as ionograms, which show the variations of the virtual height of reflection as a function of the radio frequency. The frequency band normally used is from about 1 MHz to about 20 MHz though some ionosondes operate down to about 0.20 MHz and up to 30 MHz. The ionograms actually show the time of travel of the pulse signal from the transmitter to the ionosphere and back to the receiver. A given station typically generates a sweep-frequency ionogram in about two minutes. Normally four ionograms are taken per hour, one at each quarter hour. As of May 1994, there are approximately 16,140 rolls of ionogram film at our Data Center. Most of these photographic records (ionograms) were recorded on 35mm film, but there are some 16mm ionogram film. One month of 35mm ionograms averages about 800 feet of film. These rolls of film are kept off site but can be retrieved when needed. If you would like to study specific ionograms, researchers are welcome at the National Geophysical Data Center, but are requested to give adequate advance notice of their visit so that appropriate arrangements may be made for their work space at the Data Center. Some ionograms were digitized and are stored in TIF G4 format.
        purpose:  Research - Radio Frequency Reflection
        status:  (MD_ProgressCode) underDevelopment
        pointOfContact:  (CI_ResponsibleParty)
            individualName:  Justin Mabie
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  (303) 497-6135
                    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
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        descriptiveKeywords:  (MD_Keywords)
            keyword:  EARTH SCIENCE > SOLAR PHYSICS > Solar Energetic > Particles > Particle Density
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Earth Science Keywords
                date:
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Ionosonde
            keyword:  Bottomside
            keyword:  Ionograms
            keyword:  Space Physics - Ionospheric Science
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled 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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                title:  NASA/GCMD Location Keywords
                date:
        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, 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.
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        language:  eng; USA
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                extent:
                  TimePeriod:
                    beginPosition:  1944-03-01
                    endPosition:
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            name:  ASCII
            version:
        distributor:  (MD_Distributor)
            distributorContact:  (CI_ResponsibleParty)
                individualName:  Justin Mabie
                organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  (303) 497-6135
                        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:  Depends on the Data Set
                orderingInstructions:  Non-Digital Form: 35 mm Film Reels Ordering Instructions: Contact Data Center Custom Order Process: Contact data center for information
                turnaround:  4 Days
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  Depends on the Data Set
                orderingInstructions:  Ordering Instructions: Price information is available upon request. Prepay by check, money order or bank card There is a standard handling charge, with additional costs for special handling. Orders may be placed via fax, email, regular mail or telephone Custom Order Process: Contact data center for information
                turnaround:  4 Days
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              Real:  12669.100000
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                linkage: http://www.ngdc.noaa.gov/stp/
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                name:  (MD_MediumNameCode) CARTRIDGE TAPE
                mediumFormat:  (MD_MediumFormatCode) tar
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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 2012-10-10T11:08:32.536-06:00
        contact:  (CI_ResponsibleParty)
            individualName:  Justin Mabie
            organisationName:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  (303) 497-6135
                    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