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A method based on iterative fast fourier technique to generate a chebyshev like broadside pattern with uniform side lobe level of linear array of uniformly spaced isotropic antennas with fixed dynamic range ratio of amplitude distribution is presented in this paper. One example has been presented with 20 elements. Dynamic range ratio has been made equal to that of a chebyshev array with same number of elements. The method uses the property that for a linear array with uniform element spacing, an inverse Fourier transform relationship exists between the array factor and the element excitations.