1. A method of processing an uncorrected azimuth line vector selected from an unfocused array into a corrected azimuth line vector comprising steps of: forming a bright spot list based on the selected uncorrected azimuth line vector, the bright spot list including at least one bright spot entry; unpacking the uncorrected azimuth line vector into an uncorrected segment set, the uncorrected segment set including a first uncorrected segment corresponding to a first bright spot entry in the bright spot list; processing the first uncorrected segment into a first corrected segment based on an average phase slope corresponding to the first bright spot entry; and packing the first corrected segment into the corrected azimuth line vector.