The Space Fence will use S-band radar and will track a larger number of small objects than previous space radars: "about 200,000 objects and make 1.5 million observations per day, about 10 times the number" made by existing or recently retired US assets.
ðə spˈeɪs fˈɛns wɪl jˈuːz ˈɛsbˈænd ɹˈeɪdɑːɹ ænd wɪl tɹˈæk ɐ lˈɑːɹdʒɚ nˈʌmbɚɹ ʌv smˈɔːl ˈɑːbdʒɛkts ðɐn pɹˈiːviəs spˈeɪs ɹˈeɪdɑːɹz: "ɐbˌaʊt tˈuːhˈʌndɹɪd,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ˈɑːbdʒɛkts ænd mˌeɪk wˈʌn.fˈaɪv mˈɪliən ɑːbzɚvˈeɪʃənz pɜː dˈeɪ, ɐbˌaʊt tˈɛn tˈaɪmz ðə nˈʌmbɚ" mˌeɪd baɪ ɛɡzˈɪstɪŋ ɔːɹ ɹˈiːsəntli ɹᵻtˈaɪɚd jˌuːˈɛs ˈæsɛts.