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    Determining Weather Radar Antenna Pointing Using Signals Detected from the Sun at Low Antenna Elevations

    Source: Journal of Atmospheric and Oceanic Technology:;2007:;volume( 024 ):;issue: 003::page 476
    Author:
    Huuskonen, Asko
    ,
    Holleman, Iwan
    DOI: 10.1175/JTECH1978.1
    Publisher: American Meteorological Society
    Abstract: A method to determine the elevation and azimuth biases of the radar antenna using solar signals observed by a scanning radar is presented. Data recorded at low elevation angles where the atmospheric refraction has a significant effect on the propagation of the radio wave are used, and a method to take the effect of the refraction into account in the analysis is presented. A set of equations is given by which the refraction of the radio waves as a function of the relative humidity can easily be calculated. Also, a simplified model for the calculation of the atmospheric attenuation is presented. The consistency of the adopted models for the atmospheric refraction and atmospheric attenuation is confirmed by data collected at a single elevation pointing, but over a long observing time. Finally, the method is applied to datasets based on operational measurements at the Finnish Meteorological Institute (FMI) and Royal Netherlands Meteorological Institute (KNMI), and elevation and azimuth biases of the radars are shown.
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      Determining Weather Radar Antenna Pointing Using Signals Detected from the Sun at Low Antenna Elevations

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4227690
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    • Journal of Atmospheric and Oceanic Technology

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    contributor authorHuuskonen, Asko
    contributor authorHolleman, Iwan
    date accessioned2017-06-09T17:23:26Z
    date available2017-06-09T17:23:26Z
    date copyright2007/03/01
    date issued2007
    identifier issn0739-0572
    identifier otherams-84362.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4227690
    description abstractA method to determine the elevation and azimuth biases of the radar antenna using solar signals observed by a scanning radar is presented. Data recorded at low elevation angles where the atmospheric refraction has a significant effect on the propagation of the radio wave are used, and a method to take the effect of the refraction into account in the analysis is presented. A set of equations is given by which the refraction of the radio waves as a function of the relative humidity can easily be calculated. Also, a simplified model for the calculation of the atmospheric attenuation is presented. The consistency of the adopted models for the atmospheric refraction and atmospheric attenuation is confirmed by data collected at a single elevation pointing, but over a long observing time. Finally, the method is applied to datasets based on operational measurements at the Finnish Meteorological Institute (FMI) and Royal Netherlands Meteorological Institute (KNMI), and elevation and azimuth biases of the radars are shown.
    publisherAmerican Meteorological Society
    titleDetermining Weather Radar Antenna Pointing Using Signals Detected from the Sun at Low Antenna Elevations
    typeJournal Paper
    journal volume24
    journal issue3
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH1978.1
    journal fristpage476
    journal lastpage483
    treeJournal of Atmospheric and Oceanic Technology:;2007:;volume( 024 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian