Figure 10
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The delay-Doppler spectra of the observation of Cygnus A made by LOFAR station RS508 on 14th July 2018 showing the power as a function of the Doppler frequency and time delay. Panel a shows the delay-Doppler spectrum for observations between 17:37:00 UT and 17:56:00 UT, whereas the other panels show spectra for subsets of these times. Panel b shows observations between 17:37:00 UT and 17:46:33 UT, panel c shows observations between 17:47:00 UT and 17:52:00 UT and panel d shows observations between 17:53:40 UT and 17:56:00 UT. All panels show frequencies between 29.8 MHz and 64.0 MHz.
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