% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 52 57 73 59 46 30 43 95 117 212 233 260 243 345 372 400 324 307 229 236 324 259 302 184 150 74 68 99 64 82 58 66 75 45 61 95 129 100 74 78 76 80 83 63 -30 -28 37 -26 31 -33 -6 -15 -35 -39 -26 -37 -19 -26 -27 21 -42 -36 -22 42 29 14 -26 -16 -35 -38 -30 -35 16 -28 39 -28 -43 -42 -31 -34 -16 -5 -30 -35 -38 -15 -26 -37 -33 -28 -10 -27 -30 -34 -28 -17 -38 -20 -40 -30 -31 -38 -27 -32 -30 7 -28 -40 -24 15 -28 7 24 -34 25 -24 22 23 32 40 36 34 -22 25 36 38 39 54