High-redshift quasars at $z\ge 3$ -- I. Radio spectra

Yu. Sotnikova, A. Mikhailov, T. Mufakharov +7

We present the radio properties of optically selected quasars with $z\ge 3$. The complete sample consists of 102 quasars with a flux density level $S_{1.4}\ge 100$ mJy in a declina…