6GStarLab - A CubeSat Mission to support the development and standardization of Non-Terrestrial Networks towards 6G. - Joan Adrià Ruiz-de-Azua; Francesc Betorz; Hossein Rouzegar; Joan Francesc Muñoz-Martín; Marc Badia; Roger Jove; Adriano Camps; Diego Lopez-Pizarro; Jordi Barrera; Jorge-Nicolas Alvarez; Ieremia Crisan; Mohammad Danesh; et al. (CoRR, 2025)