% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 192 73 125 78 52 48 59 62 99 175 164 205 292 521 545 348 248 350 148 145 87 130 130 114 76 102 62 71 58 85 67 71 25 60 65 49 81 44 -17 28 88 58 45 39 57 39 -13 46 17 -29 38 31 46 39 55 76 52 75 54 56 82 105 60 140 69 90 114 75 89 102 66 90 89 61 65 57 93 72 87 85 68 54 53 64 39 57 42 42 65 54 60 13 -20 -22 -15 -28 -22 14 -11 22 -12 -31 -23 -18 44 27 -21 -26 21 -13 -20 -17 -9 -20 -43 44 19 48 -7 -10 26 -33 17 -14 37 13 -34 5