% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 86 94 78 65 61 28 47 121 138 217 185 186 352 330 249 423 211 238 308 213 161 227 156 129 121 63 85 74 80 52 28 17 48 53 40 21 44 23 45 43 39 -26 28 28 51 -14 -28 -24 -37 -26 -18 -27 -30 -24 -24 -30 -31 -28 -39 -30 -40 -29 -22 -19 -31 -30 -33 -22 -35 -29 -26 -30 -22 -33 -33 -35 -37 -36 -36 -23 -42 -28 -30 -33 -41 -35 -34 -42 -20 -22 -14 -27 16 8 -41 -27 -35 -38 -33 -21 -26 -22 -27 -21 -12 -22 -26 -26 -35 -21 -20 23 -28 55 20 -12 25 42 -8 -5 40 14 29 42 45 -18 -23 23