Radio frequency interference statistics for NenuFAR computed from over 2500 h of observing time (2018−2020). Left panel: dynamic spectrum of the RFI rate (percentage of data removed during RFI cleaning) as a function of the time of day (in UTC) and frequency. Right panel: spectrum of the RFI rate during daytime (orange, 6−19 UT) and nighttime (blue, 19−6 UT).
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