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In the present work, we have considered the daily signal of Solar Radio flux of 2800 Hz recorded daily by radio telescopes near Ottawa (operated during 14th February, 1947–31st May, 1991) and Penticton, British Columbia, Dominion Radio Astrophysical Observatory (operating since 1st June, 1991) during the period from 29th October, 1972 to 28th February, 2013. We have applied FIR nonlinear phase filter...
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