CEDAR email: Invitation to AOGS 2025 Interdisciplinary Session IG19

[Vladislav Demyanov]

*Dear colleagues!*



*We cordially invite all who are interested to participate in AOGS 2025
Interdisciplinary Session IG19 “GNSS data of high temporal resolution, new
GNSS signals, modern GNSS receivers: New research opportunities to study
Earth’s ionosphere, atmosphere and geo-dynamics”.*



*Deadline for Abstracts Submission comes soon on February 18, 2025. **Abstract
submission
link: https://www.asiaoceania.org/aogs2025/public.asp?page=sessions_and_conveners.asp
<https://www.asiaoceania.org/aogs2025/public.asp?page=sessions_and_conveners.asp>*



*We expected that participants provide novel results in the areas:*

1)      Coordinated Arctic, Mid-latitude and Low latitude Ionospheric
Monitoring involving novel advances in GNSS-based techniques: regional and
international networks of modernized GNSS sites; innovations in Remote
sensing, data handling and analysis; coordinated research campaigns and
collaborations

2)      New GNSS signals, GNSS data with high temporal resolution, and new
opportunities in the Earth's atmosphere and ionosphere sounding;

3)      Tropospheric and ionospheric indices and parameters based on
measurements of new GNSS signals with high temporal resolution;

4)      Problems and advances in scintillation studies based on new GNSS
signals;

5)      Impact of GNSS hardware and software on sensitivity and resolution
of modern GNSS Remote sensing methods;

6)      Modernization of GNSS upper atmospheric real‑time disaster
information and alert networks and systems, taking into account new
progress in GNSS technologies;



*Session Conveners:*

*Vladislav Demyanov,* Department of Space Weather forecast, Institute of
Solar and Terrestrial Physics, Siberian Branch of Russian Academy of
Sciences, Irkutsk, Russia

*Periyadan T. Jayachandran*, Physics Department, University of New
Brunswick, Fredericton, NB, Canada

*Shuanggen Jin*, Vice-President & Professor at Henan Polytechnic University



 *IG19 Session Abstract.*

The rapid advancement of GNSS technology, including new-generation
satellites, signals, and receivers, presents a wealth of new research
opportunities. These advancements, particularly the
high-temporal-resolution GNSS signals, are now more accessible to research
teams worldwide. However, the full potential of these technologies for
studying the Atmosphere, Ionosphere, and other interdisciplinary fields has
yet to be fully realized.

For a Space physicist, a GNSS receiver is often a 'black box'. Can we rely
on a specific receiver manufacturer and their expensive equipment to
conduct crucial Atmospheric and Space physics studies? Do the GNSS signals
recorded with high temporal resolution truly enhance our sensitivity and
resolution for Ionosphere or Atmosphere explorations? Which ionosphere-free
combination is most effective for reconstructing TEC with minimal noise and
reliably detecting a weak earthquake or tsunami-related ionospheric
response? These are the practical questions that emerge with the evolution
of GNSS technologies.

This section is devoted to new theories methods, and GNSS techniques which
allow looking far beyond the limitations in the Earth's atmosphere,
ionosphere and interdisciplinary fields such as geosciences, the
availability of new GNSS signals, receivers and GNSS receivers with
the capability of high sampling rate.
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