Design Realization and Tests of a Space-Borne GaN Solid State Power Amplifier for Second Generation Galileo Navigation System. - Rocco Giofrè; Paolo Colantonio; Laura Gonzalez; Francisco De Arriba; Lorena Cabria; Demetrio Lopez Molina; Enrique Cordero Garrido; Fabio Vitobello (IEEE Trans. Aerosp. Electron. Syst., 2018)