Discover how QU fitting analysis is utilized to validate Faraday synthesis in this fascinating article. Delve into the intricate process of modeling Faraday depth spectra to confirm primary and secondary peaks in the Galactic "tadpole" region. Explore the innovative techniques employed to unravel the mysteries of Faraday rotation and gain insights into the complex magnetic fields within this astronomical phenomenon. Join us on a journey of scientific discovery as we uncover the secrets hidden within the depths of the Galactic tadpole through advanced QU fitting methods.