% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 124 148 107 74 73 87 81 103 118 276 279 271 372 267 281 164 185 215 196 202 258 206 311 358 281 312 264 215 178 106 128 119 76 74 86 127 61 40 46 51 50 24 66 28 24 13 33 20 -3 -19 -26 -21 -25 -15 -33 -38 -31 5 -31 -34 -10 -12 -22 -32 -35 -25 -25 -33 -39 -35 -25 -35 -29 -34 -21 -26 -33 -34 -33 -37 -27 -30 -25 -28 -12 -28 -29 -38 -27 -36 -28 -29 -10 -14 -16 -27 -33 -17 -35 -33 -26 -30 25 -14 10 -22 -27 -23 -21 -18 30 30 21 0 -18 -8 28 -16 -23 39 5 17 40 -9 -20 34 42 23