% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 176 76 77 61 37 52 33 48 130 247 86 285 264 190 267 250 170 127 203 298 225 223 131 145 358 243 207 150 115 164 142 100 105 79 157 97 82 57 96 114 101 102 70 67 97 80 98 116 110 99 126 130 91 109 115 112 88 114 88 66 127 58 70 35 65 57 58 43 23 34 31 4 35 27 -26 26 29 19 10 17 -10 -13 -20 26 24 -9 -23 -28 -32 -34 24 -23 20 -21 -22 -26 -17 -14 -34 15 -25 -17 -29 -15 23 -33 -27 -27 -37 -27 -23 -15 17 -10 30 26 39 -19 25 21 47 26 32 17 30 -17 -29 22