L. Hydrometeoizdat, 1976 - 406s. The book is a manual for the maintenance of equipment used in aerological stations for atmospheric radiosonding. Describes the device and principle of operation of radiosondes, radar meteorological stations and other means of monitoring the state of the atmosphere Recommendations are given for repair/ of technical means, performance of preventive works and verification of accurate characteristics. The textbook is intended for students of hydrometeorological technical schools . It can also be useful for specialists providing the operation of radar means and devices in the Hydrometeorological Service, as well as for students of higher and secondary specialized institutions of hydrometeorological specialties.