% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 203 101 102 124 91 64 62 85 154 302 233 292 411 415 415 242 328 230 222 198 81 143 192 146 154 113 125 152 64 88 78 51 49 49 33 40 48 34 26 25 28 29 8 11 43 -19 16 -24 15 -16 13 -28 -15 -27 -29 -28 -22 -31 -21 -18 15 -9 -33 -33 -28 -21 -23 -27 -27 -33 -30 -31 -33 -19 -20 -28 -17 -29 -26 -28 -24 -30 -18 9 -17 -17 -30 -26 -32 -28 -27 -21 -21 -29 -23 -7 -29 -17 -23 -17 -24 -25 -26 -30 15 -20 -14 -11 -26 -8 -12 -16 27 -14 -18 34 6 31 29 -14 26 16 -15 24 22 21 28 22