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Cosmic radio noise observations using a mid-latitude meteor radar

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Title: Cosmic radio noise observations using a mid-latitude meteor radar
Authors: Stober, G.1 stober@iap-kborn.de, Singer, W.1, Jacobi, Ch.2
Source: Journal of Atmospheric & Solar-Terrestrial Physics. Jun2011, Vol. 73 Issue 9, p1069-1076. 8p.
Subjects: Cosmic noise, Meteoroids, Electron distribution, Meteor trails, Radar meteorology, Random noise theory, Geographical positions
Abstract: Abstract: For the investigation of meteoroid properties the measurement of the electron line density in meteor ambipolar plasma trails is an important parameter, which becomes accessible by a radar calibration. Radars operating in the frequency range between 20 and 50MHz are also sensitive to extraterrestrial radio waves. Depending on the geographic position and beam tilt each system observes a characteristic pattern of cosmic emissions, which can be considered to be Gaussian noise. This work demonstrates the possibilities to perform a radar calibration for standard commercial all-sky meteor radars using a delay line method and a calibrated noise source. Additionally, we also used the cosmic noise sources to estimate the impact of the antenna pattern and potential losses of the hardware (e.g. cables, connectors). The calibrated radio noise measurements are compared to a reference by mapping the Collm radar beam pattern on a sky noise maps available in the literature. [Copyright &y& Elsevier]
Copyright of Journal of Atmospheric & Solar-Terrestrial Physics is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: Cosmic radio noise observations using a mid-latitude meteor radar
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  Data: <searchLink fieldCode="AR" term="%22Stober%2C+G%2E%22">Stober, G.</searchLink><relatesTo>1</relatesTo><i> stober@iap-kborn.de</i><br /><searchLink fieldCode="AR" term="%22Singer%2C+W%2E%22">Singer, W.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Jacobi%2C+Ch%2E%22">Jacobi, Ch.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Atmospheric+%26+Solar-Terrestrial+Physics%22">Journal of Atmospheric & Solar-Terrestrial Physics</searchLink>. Jun2011, Vol. 73 Issue 9, p1069-1076. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Cosmic+noise%22">Cosmic noise</searchLink><br /><searchLink fieldCode="DE" term="%22Meteoroids%22">Meteoroids</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+distribution%22">Electron distribution</searchLink><br /><searchLink fieldCode="DE" term="%22Meteor+trails%22">Meteor trails</searchLink><br /><searchLink fieldCode="DE" term="%22Radar+meteorology%22">Radar meteorology</searchLink><br /><searchLink fieldCode="DE" term="%22Random+noise+theory%22">Random noise theory</searchLink><br /><searchLink fieldCode="DE" term="%22Geographical+positions%22">Geographical positions</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: For the investigation of meteoroid properties the measurement of the electron line density in meteor ambipolar plasma trails is an important parameter, which becomes accessible by a radar calibration. Radars operating in the frequency range between 20 and 50MHz are also sensitive to extraterrestrial radio waves. Depending on the geographic position and beam tilt each system observes a characteristic pattern of cosmic emissions, which can be considered to be Gaussian noise. This work demonstrates the possibilities to perform a radar calibration for standard commercial all-sky meteor radars using a delay line method and a calibrated noise source. Additionally, we also used the cosmic noise sources to estimate the impact of the antenna pattern and potential losses of the hardware (e.g. cables, connectors). The calibrated radio noise measurements are compared to a reference by mapping the Collm radar beam pattern on a sky noise maps available in the literature. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Atmospheric & Solar-Terrestrial Physics is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jastp.2010.07.018
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 1069
    Subjects:
      – SubjectFull: Cosmic noise
        Type: general
      – SubjectFull: Meteoroids
        Type: general
      – SubjectFull: Electron distribution
        Type: general
      – SubjectFull: Meteor trails
        Type: general
      – SubjectFull: Radar meteorology
        Type: general
      – SubjectFull: Random noise theory
        Type: general
      – SubjectFull: Geographical positions
        Type: general
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      – TitleFull: Cosmic radio noise observations using a mid-latitude meteor radar
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            NameFull: Singer, W.
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            NameFull: Jacobi, Ch.
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            – D: 01
              M: 06
              Text: Jun2011
              Type: published
              Y: 2011
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