% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 216 75 74 64 46 69 83 66 124 151 151 135 221 264 146 147 156 242 138 167 165 96 166 179 151 166 99 161 115 116 108 112 134 82 75 83 90 80 102 131 103 120 76 61 69 89 91 74 56 123 57 96 69 75 71 79 82 92 66 77 45 75 85 72 53 101 73 49 69 59 63 62 48 49 26 47 55 13 32 44 36 35 35 -10 -25 23 11 35 -25 -22 -14 -33 -16 27 36 42 73 7 -3 -29 -17 -33 15 32 -23 20 -37 13 -3 -15 31 14 49 8 -17 -11 -30 -21 -32 13 21 44 -31 -27 -37 -29 -14 7