- S-T interactions and ionospheric effects in the current solar-cycle.
Chair: Paul Prikryl, - co chair: Emilia Correira
- Lower atmosphere delay in GNSS based systems (water vapor reconstruction etc....).
Chair: Monia Negusini,
- Modelling and models testing.
Chair: Marcin Grzesiak, - co chair: Luca Spogli,
- Data management strategy
Chair: Vincenzo Romano, - co chair: Pierre Cilliers,
- Coordination with other programs inside and outside SCAR (e.g. URSI, CAWSES II, SuperDARN, EISCAT 3D, ...).
Chair: Giorgiana De Franceschi, - Lucilla Alfonsi,