Observations by GMRT at 323 MHz of radio-loud quasars at z > 5 Yali Shao, Jeff Wagg, Ran Wang, Chris L. Carilli, Dominik A. Riechers, Huib T. Intema, Axel Weiss and Karl M. Menten A&A, 641 (2020) A85 Published online: 14 September 2020 DOI: 10.1051/0004-6361/202038469