ion55Parent Nuclides. Direct parent isotope is: 55 Co. Formation. 55 Fe can be artificially produced by neutron irradiation of stable iron isotopes: 54 Fe(n,γ) 55 Fe or 56 Fe(n,2n) 55 Fe. Accordingly, iron-containing components such as steelWPXE is a TV station licensed in Kenosha, Wisconsin, broadcasting on virtual channel 55. WPXE is an affiliate of Ion and carries 7 additional subchannels: Bounce TV, Court TV, Grit, Defy