Abstract Details

Name: Kushagra Upadhyay
Affiliation: Udaipur Solar Observatory, Physical Research Laboratory Udaipur
Conference ID: ASI2021_495
Title : Observations of solar activities at low radio frequencies by CALLISTO at USO/PRL.
Authors and Co-Authors : Kushagra Upadhyay(USO/PRL), Dr. Bhuwan Joshi(USO/PRL), Prabir K. Mitra(USO/PRL), Dr. Ramit Bhattacharyya(USO/PRL), Dr. Divya Oberoi(NCRA-TIFR, Pune), Christian Monstein(Istituto Ricerche Solari Locarno, Switzerland)
Abstract Type : Oral
Abstract Category : Instrumentation and Techniques
Abstract : e-CALLISTO is a worldwide network of radio spectrometers. It is used for the observation of solar radio bursts and radio frequency interference monitoring for astronomical sciences. At Udaipur Solar Observatory (USO), Physical Research Laboratory (PRL), we are regularly monitoring solar radio activities since October 2018 using CALLISTO radio spectrograph. This paper presents a detailed description of various subsystems of the radio spectrograph. In the front-end system, a log periodic dipole antenna (LPDA) is designed for the frequency range of 40-900 MHz. In this paper LPDA design, its modifications, and simulation results are presented. We will also discuss some prominent observations taken by CALLISTO at Udaipur over the past two years.