ðə ɹˌiːdˈɛzɪɡnˌeɪɾᵻd jˈuːnɪt bɪkˌeɪm ˌɑːpɚɹˈeɪʃənəl ˌɔn tˈuː ˈeɪpɹəl, ænd kəntɹˈoʊld nˈɑːs. θɹˈiːhˈʌndɹɪd θˈɜːɾi sˈɛvən, θɹˈiːhˈʌndɹɪd fˈoːɹɾi, θɹˈiːhˈʌndɹɪd fˈoːɹɾi fˈaɪv, θɹˈiːhˈʌndɹɪd fˈoːɹɾi sˈɪks ænd θɹˈiːhˈʌndɹɪd fˈoːɹɾi sˈɛvən ɹˈeɪdɑːɹ stˈeɪʃənz.
The redesignated unit became operational on 2 April, and controlled Nos. 337, 340, 345, 346 and 347 Radar Stations.