Polar cap ionosonde (ionosondeNAL)

Re-establish ionospheric soundings in Ny-Ålesund using a new instrument and otherwise existing antennas from previous installation where possible.

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Project type

  • long-term monitoring
  • sios


  • atmosphere

Project Keywords

  • sun-earth interactions / ionosphere/magnetosphere dynamics

Fieldwork information

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We re-establish ionospheric soundings in Ny-Ålesund using a new instrument and otherwise existing antennas from a previous installation where possible. The continuation of observations of the ionosphere fills a need in the polar cap and supplements other observations including those from Tromsø dating back to 1933 (and thus one of the two longest dataset in the world). Results can be used for long-term monitoring and thus investigations of climate change in the upper atmosphere. Short-term results can be applied to (inter alia) radio communication problems and reliability, total electron content validation and determination, seismic forcing of the atmosphere and even seismic precursors. Monitoring in general provide a background "weather" state and therefore a context in which campaign-based observations by other experiments may be placed. Existing data sources include: Ny-Ålesund --------------- • Nordlysobservatoriet: 1970 - 1971 (Auroral Observatory archive) • Digisonde (UiO/AFRL): 1991 - 1997-98 Longyearbyen ------------------ • CADI (U. Of Lei cester): 1997 - 2009 (May) ( • Dynasonde (EISCAT): 2009 (September) - 2015 ( Hornsund ------------ • Running ( Svalbard(unspecified) ---------------------------- • 1956 - 1959 (Auroral Observatory archive) We would aim for making such data available as open access in accordance with the current UiT policy either via the UiT library portal or the SOIS portal or both. Data from the instrument described above will be accessible via SIOS.

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