https://commons.ufh.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Challenges in topside ionospheric modelling over South Africa https://commons.ufh.ac.za/vital/access/manager/Repository/vital:5453 Wed 12 May 2021 18:37:56 SAST ]]> Particle precipitation effects on the South African ionosphere https://commons.ufh.ac.za/vital/access/manager/Repository/vital:5481 Wed 12 May 2021 16:53:40 SAST ]]>