<div dir="ltr">Dear colleagues,<div><br></div><div><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US">We
cordially invite all interested colleagues to submit for Session IG 24:
"GNSS and high-rate record applications in the ionosphere and geosciences".</span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US"><br></span></p><p class="MsoNormal" style="margin:0cm 0cm 8pt;line-height:107%;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US"><span style="color:rgb(51,51,51);font-family:Arial,"sans-serif";font-size:12pt">Session Description</span></span></p><div>

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  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">Technological progress in GNSS brings new GNSS
  signals with sophisticated features. Researchers got novel GNSS receivers
  with excellent characteristics and lower noise as a tool to explore the
  Ionosphere, atmosphere and for interdisciplinary studies. The GNSS signals
  recorded with high sampling rate have become available for many research
  teams. </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">      New
  opportunities provided with novel GNSS technologies as a new promising tool
  for the Atmosphere, Ionosphere and Interdisciplinary explorations are still
  critically underestimated. GNSS receiver is often a “black box” for a
  researcher in geosciences. Can we rely on a certain receiver maker buying its
  expensive receiver to embed it into a GUARDIAN network? Can the GNSS signals
  recorded with high sampling rate give us better sensitivity and accuracy in
  the geophysical explorations? What ionosphere-free combination is better to
  reconstruct TEC and detect weak ionospheric response of earthquake or
  tsunami? Today the list of the questions rises along with progress in GNSS
  technologies. </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">       This
  section is devoted to new theory, methods and GNSS techniques allowing to
  look beyond the previous limitations in the Earth atmosphere, ionosphere and
  interdisciplinary geoscience based on new GNSS signals, receivers and GNSS
  data records of high sampling rate. </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">        <b><u>We expected that participants provide
  novel results in following items:</u></b> </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">1) New GNSS signals and new opportunities in
  the Earth atmosphere and ionosphere sounding; </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">2) Tropospheric and ionospheric indices and
  parameters based on measurements of GNSS signals with high sampling rate; </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">3) Problems and advances in scintillation
  studies based on GNSS signals; </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">4) Impact of GNSS hardware and software on
  accuracy of GNSS sounding methods of geosciences; </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">5) Modernization of GNSS upper atmospheric
  real‑time disaster information and alert networks and systems taking into
  account new progress in GNSS technologies; </span></p>
  <p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)">6) New experimental and data treatment
  techniques involving measurements of GNSS signals with high sampling rate.</span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-size:11pt;font-family:Calibri,"sans-serif""><span lang="EN-US" style="font-size:12pt;font-family:Arial,"sans-serif";color:rgb(51,51,51)"><br></span></p><p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-align:justify;line-height:normal;font-family:Calibri,"sans-serif""><span style="color:rgb(51,51,51);font-family:Helvetica,Arial,sans-serif"><font size="4">I would be glad to hear from you.</font></span><br></p><h3 style="color:rgb(51,51,51);font-family:Helvetica,Arial,sans-serif"><span style="font-size:14px;font-weight:400">Sincerely yours</span><br></h3><p style="color:rgb(51,51,51);font-family:Helvetica,Arial,sans-serif;font-size:14px">Vladislav Demyanov    <br></p><p style="color:rgb(51,51,51);font-family:Helvetica,Arial,sans-serif;font-size:14px">Senior Researcher, </p><p style="color:rgb(51,51,51);font-family:Helvetica,Arial,sans-serif;font-size:14px">Institute of Solar and Terrestrial Physics, Siberian Branch of Russian Academy of Sciences</p><p style="color:rgb(51,51,51);font-family:Helvetica,Arial,sans-serif;font-size:14px">Department of Near Earth Space Physics </p>
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