On beam characterization of ground-based CMB radio telescopes using UAV-mounted sources: application to the QUIJOTE TFGI and plans for LSPE-Strip. - Fabio Paonessa; Lorenzo Ciorba; Giuseppe Addamo; Paz Alonso-Arias; Barbara Caccianiga; Marco Bersanelli; Francesco Cuttaia; Cristian Franceschet; Ricardo Tanausu Genova Santos; Massimo Gervasi; Roger Hoyland; Mike Jones; et al. (CoRR, 2025)