% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 67 54 61 60 -29 -19 48 97 89 124 102 142 140 203 185 387 350 414 326 509 387 371 164 269 143 125 220 82 120 103 78 84 85 89 128 175 129 111 127 184 155 195 148 220 115 157 142 153 145 95 82 128 152 107 94 131 94 40 73 83 71 51 75 47 67 76 74 62 67 84 51 -16 8 43 29 46 46 50 50 23 62 33 42 54 80 30 -14 -4 11 44 38 49 53 55 26 30 31 -7 25 39 -12 -20 24 -27 -30 -29 -8 -19 24 36 -27 -22 14 30 11 21 -32 14 -31 -34 -21 29 27 2 -4 -23 21 -25