Timothy Simon Horbury¹, Helen O'Brien², Isaias Carrasco-Blazquez², Jonathan P Eastwood³, Lorenzo Matteini⁴, Robert J Forsyth¹, Ingo Richter⁵ and The Solar Orbiter magnetometer instrument team, (1)Imperial College London, London, SW7, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)Imperial College London, Physics, London, United Kingdom, (4)Observatoire De Paris, LESIA, Meudon, FRANCE, (5)Technische Universität Braunschweig, Braunschweig, Germany