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GNSS Research and Application for Polar Environment
is a joint GeoSciences and Physical  Sciences Expert Group lasting from 2012 to 2018.

Contact: Giorgiana De Franceschi (e-mail: giorgiana.defranceschi @

Welcome to GRAPE

The International Polar Year (IPY) and International Heliophysical Year (IHY) initiatives left an important heritage in terms of data sharing, expertise exchange and increasing awareness of the current scientific capabilities. In particular, the GWSWF SCAR Action Group took advantage of the Interhemispheric Conjugacy Effects in Solar-Terrestrial and Aeronomy Research (ICESTAR) and the Polar Earth Observing Network (POLENET) experiences that lead to .....

Main Objectives

- Create and maintain distributed networks of specialized GPS/GNSS Ionospheric Scintillation and TEC Monitors particularly at high latitudes.
- Identify and quantify mechanisms that cause scintillation and control interhemispheric differences, asymmetries and commonalities in scintillation occurrence and intensity as a result of the geospace environment conditions.
- Develop ionospheric scintillation climatology, tracking and mitigation models ....


Announcement: the XXXII International Union of Radio Science General Assembly & Scientific Symposium will be held at Montreal (CA), August 19-26th, 2017.... more

We are pleased to inform the scientific community that the efforts of GRAPE and the results obtained have been acknowledged by URSI (International Union on Radio Science) and that .....