% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 387 144 77 98 125 65 772 1088 248 73 265 251 161 198 239 152 155 178 148 139 155 184 196 181 204 172 129 242 145 184 129 186 155 76 112 112 79 112 80 87 83 86 94 93 68 104 74 61 58 70 62 32 82 65 44 53 55 60 76 27 50 48 24 25 26 -8 31 37 35 44 36 18 25 15 -19 33 -34 18 19 -22 -16 33 -29 -21 -23 -18 37 -31 -27 26 20 -6 -33 21 21 -29 -15 27 -17 -21 15 28 -27 17 8 -33 -37 -32 -25 11 20 14 -16 30 30 38 -4 -20 -22 -9 18 21 -25 -15 20 8 32 -16