% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 127 91 67 56 54 20 77 92 156 220 143 196 162 170 195 127 171 195 201 190 196 93 118 116 64 87 97 55 79 68 114 60 135 83 90 47 41 73 58 -14 21 25 35 11 29 30 63 32 -31 56 57 78 59 107 130 90 138 146 102 106 136 69 138 135 72 67 61 65 78 83 55 68 70 38 51 67 60 79 47 57 54 73 68 37 51 49 69 46 32 60 45 -35 27 37 -3 42 33 25 4 24 69 -20 -21 32 -29 16 36 11 -24 33 -16 -35 25 -45 -19 -31 -22 22 -10 34 -36 -43 -25 19 43 20 13 -8