This format lasted until September 3, 1975, when WHAS-FM was renamed WNNS and adopted the NBC Radio Network's "News and Information Service" (NIS) all-news format.
ðɪs fˈɔːɹmæt lˈæstᵻd ʌntˈɪl sɛptˈɛmbɚ θɹˈiː, nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈaɪv, wˌɛn wˈɑːzˌɛfˈɛm wʌz ɹᵻnˈeɪmd dˌʌbəljˌuːˌɛnˌɛnˈɛs ænd ɐdˈɑːptᵻd ðɪ ˌɛnbˌiːsˈiː ɹˈeɪdɪˌoʊ nˈɛtwɜːks "nˈuːz ænd ˌɪnfɚmˈeɪʃən sˈɜːvɪs" ˌɛnˌaɪˈɛs ˈɔːlnˈuːz fˈɔːɹmæt.