% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 219 54 27 31 15 9 -15 30 53 98 61 164 210 312 312 251 237 167 298 184 222 131 76 58 72 38 37 59 40 59 42 41 -29 -25 -29 -35 -31 -31 -33 -31 -40 -24 -41 -33 -26 -39 -39 -36 -37 -33 -37 -39 -30 -20 -33 -26 -29 -41 -29 -14 -34 -22 28 -28 7 -15 -34 35 48 46 37 48 29 53 -27 -16 -7 47 -20 -17 19 -30 -25 8 -25 -33 -21 -32 -25 -28 -29 -36 -18 -31 -22 -33 -33 -28 -33 -26 -29 -25 -24 -28 -29 -18 -30 -16 -16 -25 16 -17 -10 -21 15 20 -29 -4 26 44 27 -14 34 -17 41 49 33 51