No strong radio absorption detected in the low-frequency spectra of radio-loud quasars at z > 5.6

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Table B.1.

Measured integrated radio flux densities and peak brightness from LoTSS-DR2, GMRT, RACS, FIRST, and VLASS.

Source name	S_144MHz	S_{144MHz, peak}	S_383MHz	S_{383MHz, peak}	S_675MHz	S_{675MHz, peak}	S_1260MHz	S_{1260MHz, peak}	S_887MHz	S_{887MHz, peak}	S_1.4GHz	S_{1.4GHz, peak}	S_3GHz	S_3GHz, peak
J0002+2550	1.33±0.37	0.83±0.18	0.33±0.1	0.35±0.07	0.15±0.05	0.19±0.04	-	-	-	-	-	-	-	-
J0309+2717	66.52±7.05	54.05±5.52	40.83±4.3	38.47±3.91	37.73±3.85	35.38±3.56	-	-	35.57±3.95	32.06±3.41	23.89±3.26	23.89±3.26	13.71±1.58	12.78±1.39
J0803+3138	1.3±0.32	0.97±0.19	0.38±0.1	0.43±0.08	0.3±0.06	0.3±0.05	0.14±0.05	0.15±0.04	-	-	-	-	-	-
J0912+6658	1.23±0.26	1.04±0.18	0.47±0.17	0.56±0.13	0.63±0.1	0.63±0.08	0.79±0.12	0.76±0.1	-	-	-	-	0.9±0.34	0.76±0.2
J1037+4033	8.16±0.97	6.25±0.7	4.94±0.63	5.38±0.61	6.17±0.67	6.48±0.67	-	-	9.28±1.42	8.44±1.07	9.42±1.09	9.28±1.08	10.51±1.28	9.87±1.11
J1133+4814	4.67±0.79	3.16±0.46	3.48±0.44	3.53±0.4	2.79±0.31	2.89±0.31	-	-	-	-	3.23±0.46	2.4±0.38	2.69±0.63	1.67±0.31
J1545+6028	0.87±0.24	0.6±0.13	0.48±0.17	0.31±0.08	0.29±0.07	0.23±0.04	-	-	-	-	-	-	-	-
J2201+2338	3.6±0.73	2.92±0.48	2.32±0.3	2.32±0.27	2.23±0.26	2.26±0.25	1.33±0.17	1.28±0.15	1.78±0.55	2.14±0.45	-	-	0.67±0.27	0.67±0.18
J2336+1842	1.42±0.53	0.93±0.26	0.28±0.1	0.32±0.07	0.18±0.07	0.2±0.04	0.19±0.08	0.16±0.04	-	-	-	-	-	-

Notes. The integrated radio flux densities are in units of mJy and the peak radio flux densities in mJy beam⁻¹.

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