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I conduct pulsar observations using some of the world’s largest radio telescopes, such as the Effelsberg Radio Telescope (Germany), uGMRT (India), and LOFAR. I contributed to the discovery of the GPS (gigahertz-peaked spectra) effect in pulsar spectra, caused by thermal absorption in the ionized interstellar medium. The physical constraints of the absorber (electron density and temperature), determined through fitting pulsar spectra with a thermal absorption model, allowed us to distinguish potential sources of absorption: supernova remnants, pulsar wind nebulae, or ionized hydrogen clouds. Additionally, I analyze single pulses from pulsars to gain insights into the mechanism of pulsar radio emission. My research also focuses on studying radio signal scattering in the ionized interstellar medium and interstellar scintillation of pulsar radiation.
