CALLISTO Spectrometer at IISER-Pune

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A CALLISTO spectrometer to monitor solar radio transient emissions from ≈ 0.8-1.6 R (above photosphere) is installed at IISER, Pune, India (longitude 73∘ 55' E and latitude 18∘31' N). In this paper, we illustrate the instrumental details (log-periodic dipole antenna and the receiver system) along with the recorded solar radio bursts and radio frequency interferences produced by the thunderstorms in the frequency range 45-870 MHz. We also developed the image processing pipelines using `sunpy' and in-house developed python library called `pycallisto'.