Radio astronomical researches of the sun in CrAO (to the anniversary of SIMEIZ-100)

The radio telescopes of KRAO intended for the systematic monitoring of solar activity with the purpose of prognostication of the space weather in a neighborhood of Earth are listed. The equipment for research of sources of generation of sporadic solar radio emission is described. The stages of modernization by the antenna system of RT-22 and engineering solutions in the researches of polarization of solar radio emission are briefly described.