% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 191 126 108 112 116 107 200 368 506 1187 432 310 132 280 287 300 212 186 251 230 124 324 194 138 84 115 106 125 86 122 115 110 82 85 76 108 104 77 52 25 46 -29 77 37 19 28 -33 29 -27 55 15 49 22 20 52 -17 60 50 49 62 43 42 73 39 37 45 -5 68 52 52 47 42 19 56 54 62 40 62 66 55 -32 41 39 34 23 -14 11 53 37 40 33 12 -34 15 25 -4 56 -25 -32 24 -11 -25 24 -11 -28 -18 36 -22 -23 55 11 33 -13 -27 27 -19 -20 9 -24 27 6 -17 29 -20 6 -33 -16 -32