The radio state of the blazar Ton 599 in the first quarter of 2024

The blazar Ton 599 showed the strongest radio flares in its history almost a year ago, in February 2023 (ATel#15872,#15873,#15894). Recently, this source demonstrated flaring activity at the optical band in February-March 2024 (ATel#16488,#16539), but remained relatively calm at high radio frequencies of 19-44 GHz as on February 4th 2024 (ATel#16488). Here we report the rising of the flux density of this blazar in March 2024.