<div dir="ltr"><div dir="ltr"><span style="color:rgb(26,26,26);font-family:"YS Text",Arial,sans-serif;font-size:28px;line-height:40px"><span style="font-family:"ys text",arial,sans-serif"><span style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif">Dear colleagues,</span></span></span><div style="font-family:arial,helvetica,sans-serif"> </div><div style="font-family:arial,helvetica,sans-serif"><div style="font-family:calibri,sans-serif;font-size:11pt;line-height:15.6933px;margin:0cm 0cm 8pt"><span style="font-size:28px;line-height:40px">AOGS 2024 is coming very soon. We cordially invite all interested colleagues to submit for Session IG 24: "GNSS and high-rate record applications in the ionosphere and geosciences".</span></div><div style="font-family:calibri,sans-serif;font-size:11pt;line-height:15.6933px;margin:0cm 0cm 8pt"><span style="font-size:20px;line-height:28px"><a href="https://www.asiaoceania.org/aogs2024/public.asp?page=sessions_and_conveners.asp" rel="noopener noreferrer" target="_blank">https://www.asiaoceania.org/aogs2024/public.asp?page=sessions_and_conveners.asp</a></span></div><div style="font-family:calibri,sans-serif;font-size:11pt;line-height:15.6933px;margin:0cm 0cm 8pt"> </div><div style="font-family:calibri,sans-serif;font-size:11pt;line-height:15.6933px;margin:0cm 0cm 8pt"><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><strong><span style="font-size:20px;line-height:28px">Session Abstract</span></strong></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">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.</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">The GNSS signals recorded with high sampling rate have become available for many research teams. New opportunities provided with novel GNSS technologies as a new promising tool for the Atmosphere, Ionosphere and Interdisciplinary explorations are still critically underestimated.</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">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 a progress in GNSS technologies.</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">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></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">We expected that participants provide novel results in following items:</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">1) New GNSS signals and new opportunities in the Earth atmosphere and ionosphere sounding;</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">2) Tropospheric and ionospheric indices and parameters based on measurements of GNSS signals with high sampling rate;</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">3) Problems and advances in scintillation studies based on GNSS signals;</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">4) Impact of GNSS hardware and software on accuracy of GNSS sounding methods of geosciences;</span></span></div><div style="font-size:11pt;line-height:16.8667px;margin:0cm 0cm 10pt;text-align:justify"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">5) Modernization of GNSS upper atmospheric real‑time disaster information and alert networks and systems taking into account new progress in GNSS technologies;</span></span></div><div><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">6) New experimental and data treatment techniques involving measurements of GNSS signals with high sampling rate.</span></span></div><div> </div><div> </div><div><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif;font-size:12pt">With warm greetings and best wishes in the upcoming New Year</span></span></div><div> </div><div> </div><div><span style="font-size:16px;line-height:24px"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif">Prof. Vladislav Demyanov,</span></span></span></div><div> </div><div><span style="font-size:16px;line-height:24px"><span style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="color:rgb(51,51,51);font-family:arial,sans-serif">IG24 Session convener</span></span></span></div><div> </div><div><span style="font-size:16px;line-height:24px">Principal Researchcer,</span></div><div><span style="font-size:16px;line-height:24px">Institute of Solar and Terrestrial Physics, Siberian Branch of Russian Academy of Sciences</span></div><div><span style="font-size:16px;line-height:24px">Irkutsk, Russia</span></div><div> </div><div> </div><div>e-mail: <a href="mailto:vv.emyanov@gmail.com" rel="noopener noreferrer" target="_blank">vv.emyanov@gmail.com</a></div><div>web: <a href="https://www.researchgate.net/profile/Vladislav-Demyanov" rel="noopener noreferrer" target="_blank">https://www.researchgate.net/profile/Vladislav-Demyanov</a></div><div>LinkedIn: <a href="https://www.researchgate.net/profile/Vladislav-Demyanov" rel="noopener noreferrer" target="_blank">https://www.linkedin.com/in/demyanov-vladislav-03253877</a></div></div></div></div></div>