Maria Federica Marcucci, Igino Coco, Stefano Massetti, Alessio Pignalberi, Victoriya Forsythe, Michael Pezzopane, Alexander Koustov, Simona Longo, David Biondi, Enrico Simeoli, Giuseppe Consolini, Monica Laurenza, Aur&eacute;lie Marchaudon, Andrea Satta, Alessandro Cirioni, Angelo De Simone, Angelo Olivieri, Alessandro Ba&ugrave;, Alberto Salvati. (2021). Echo occurrence in the southern polar ionosphere for the SuperDARN Dome C East and Dome C North radars (Vol. 28).