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Ionospheric Oblique Incidence Soundings by Satellites

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The oblique incidence sweep-frequency ionospheric sounding technique uses the same principle of operation as the vertical incidence sounder. The primary difference is that the transmitter and receiver are located at different places so that the signal is reflected at an angle. The most common use of these sounders is to operationally investigate optimum conditions for radio propagation. According to Rawer (1969), no attempts are known to have been made to compute electron density versus height profiles from oblique incidence ionograms. These oblique incidence soundings do not adequately substitute for the vertical soundings. These data are static and receipt of new data is not anticipated.

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    Distribution Formats
      Distributor DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      Point of Contact Rob Redmon
      DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      (303) 497-4331
      ionosonde@noaa.gov
      Documentation links not available.
      Originator
      • User Services
        DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      Publisher
      • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      Date(s)
      • publication: 1958-01-01
      Edition: First
      Dataset Progress Status Complete
      Data Update Frequency: Not planned
      Purpose: Investigate optimum conditions for radio propagation
      Use Limitations
      • 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.
      Time Period: 1957-01-15  to  1975-01-01
      Spatial Bounding Box Coordinates:
      N: 90.00
      S: -90.00
      E: 180.00
      W: -180.00
      Spatial Coverage Map:
      Themes
      • EARTH SCIENCE > SOLAR PHYSICS > Solar Energetic Particles > Particle Density
      • Sweep Frequency
      • Oblique Incidence
      • Space Physics > Ionospheric Science
      • WDC/STP, BOULDER > World Data Center for Solar-Terrestrial Physics, Boulder
      • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
      Places
      • Global
      Use Constraints
      • Use Constraints: None
      Access Constraints
      • Access Constraints: No Constraints
      Fees
      • Dependent on amount of data requested
      Lineage Statement Lineage statement not available.

      Metadata Last Modified: 2010-09-07

      For questions about the information on this page, please email: ionosonde@noaa.gov