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Fig. 1.

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Sky model of the North Celestial Pole at 141 MHz input to the forward simulations. The flux densities are intrinsic and beam-corrected. It is composed of 684 unpolarized point sources with a flat spectrum. The bright radio source at Dec ∼ 86.3° and RA ∼ 2.5 h is 3C 61.1.

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