% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 83 30 72 53 70 61 66 53 52 280 182 234 228 199 187 244 296 211 227 214 118 97 174 199 193 151 238 234 291 146 126 214 118 90 146 123 110 154 120 119 79 112 129 166 119 131 130 136 198 87 93 91 121 89 97 101 89 86 76 101 82 54 59 93 77 45 73 47 53 65 52 48 54 57 44 28 48 54 51 58 40 41 37 41 37 35 19 16 31 26 33 13 17 9 25 17 14 15 16 12 13 22 20 13 6 -2 17 -17 -8 11 -12 3 -6 -8 -4 5 -16 7 -16 -16 -4 10 -15 -16 -14 -6 -17 -12