bɪkˈʌz ʌv kˈɑːɹnɑːɹvənz juːnˈiːk dʒˌɪəɡɹˈæfɪkəl pəzˈɪʃən, ɪt wʌz jˈuːzd tʊ ˈʌplɪŋk ðə tɹˈænzlˈuːnɚɹ ɪndʒˈɛkʃən kəmˈænd tə ðɪ ɐpˈɑːloʊ spˈeɪskɹæft ænd wʌzðə pɹˈaɪm lˈɪŋk fɚðə lˈæst ˈaʊɚz ʌv ɹˌiːˈɛntɹi tʊ ˈɜːθ.
Because of Carnarvon's unique geographical position, it was used to uplink the trans-lunar injection command to the Apollo spacecraft and was the prime link for the last hours of re-entry to Earth.