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A novel approach for the mitigation of the effects of the RFI on radiotelescopes

For single dish radiotelescopes the proposed approach for the mitigation of the radio frequency interference (RFI) problem calls for the illumination of the reflector antenna by a monopulse feed and the Dicke-switching of the input of its radiometer between the sum and difference ports. The same approach can be used for array-based radiotelescopes.