Starting from the Julian Date 2443144.5 (1 January 1977 00:00:00), corrections were applied to the output of all participating clocks, so that TAI would correspond to proper time at the geoid (mean sea level).
stˈɑːɹɾɪŋ fɹʌmðə dʒˈuːliən dˈeɪt tˈuː mˈɪliən fˈoːɹhˈʌndɹɪd fˈoːɹɾi θɹˈiː θˈaʊzənd wˈʌnhˈʌndɹɪd fˈoːɹɾi fˈoːɹ.fˈaɪv wˈʌn dʒˈænjuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɛvən zˈiəɹoʊ zˈiəɹoʊ:zˈiəɹoʊ zˈiəɹoʊ:zˈiəɹoʊ zˈiəɹoʊ, kɚɹˈɛkʃənz wɜːɹ ɐplˈaɪd tə ðɪ ˈaʊtpʊt ʌv ˈɔːl pɑːɹtˈɪsᵻpˌeɪɾɪŋ klˈɑːks, sˌoʊ ðæt tˌiːˌeɪˈaɪ wʊd kˌɔːɹɪspˈɑːnd tə pɹˈɑːpɚ tˈaɪm æt ðə dʒˌiːoʊˈɪd mˈiːn sˈiː lˈɛvəl.