RETRACTED: An agile high-frequency radar used for ionospheric research

Abstract

This article is retracted at the request of the Editors-in-Chief and the Publisher, see the Retraction Notice. The paper “An agile high-frequency radar used for ionospheric research” published in the Journal of Space Weather and Space Climate (https://doi.org/10.1051/swsc/2021010) has overlapping content with papers published in Polar Science (https://doi.org/10.1016/j.polar.2020.100595) and Radio Science (https://doi-org.insu.bib.cnrs.fr/10.1029/2020RS007138).