% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 199 98 87 44 46 56 49 147 191 167 137 167 150 244 236 193 151 103 52 100 152 93 96 63 74 111 109 72 108 83 44 74 5 14 23 -7 -23 28 -35 2 -35 -40 -37 -35 -35 -40 -37 -24 -44 -42 -27 -45 -40 -44 -28 -32 -36 -35 -37 -34 -38 -41 -47 -41 22 -34 -22 23 -37 -35 -24 -6 14 19 15 45 48 43 18 -15 18 13 13 -27 -33 -17 29 31 -28 -21 -32 27 30 33 -36 -8 45 6 23 15 -23 -31 -7 30 -32 8 -29 -31 15 -21 -18 -26 -18 -12 -13 -21 -23 -22 -21 16 35 32 -32 34 8 27 30 30