% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 54 -14 53 74 9 57 -22 92 123 109 144 120 231 337 409 246 248 324 201 221 293 201 110 177 145 147 127 100 155 111 92 74 52 37 43 71 53 -10 -7 48 49 -27 53 114 64 135 121 163 98 104 127 78 119 79 106 55 60 126 72 82 47 94 71 47 75 17 32 57 54 50 26 73 35 44 60 37 31 24 18 -14 28 -16 48 -11 19 18 -22 24 21 -36 -33 -33 18 -17 -31 -25 -17 -29 -23 -27 -37 -26 -31 -22 -29 8 -23 -12 41 25 -23 -21 20 12 35 41 -13 -20 -20 -13 25 26 33 32 38 38 14 -28