kˈoʊdnˈeɪmd "tʃˈeɪn hˈoʊm lˈoʊ", ðɪ ɪkwˈɪpmənt wʌz vˈɛɹi ɐdvˈænst fɚðɪ ˈɜːli dˈeɪz ʌv ɹˈeɪdɑːɹ, bˌiːɪŋ ˈeɪbəl tə dɪtˈɛkt ʃˈɪps ænd ɐpɹˈoʊtʃɪŋ lˈoʊ flˈaɪɪŋ ˈɛɹkɹæft ˌʌp tʊ ɐbˌaʊt twˈɛnti mˈaɪlz θˈɜːɾi kˌeɪˈɛm ˌɪntʊ ðə wˈɛstɚn ɐpɹˈoʊtʃᵻz ˈɔf lˈændz ˈɛnd.
Code-named "Chain Home Low", the equipment was very advanced for the early days of radar, being able to detect ships and approaching low flying aircraft up to about 20 miles (30 km) into the Western Approaches off Land's End.