% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide -17 60 36 41 53 -23 -17 52 141 319 231 200 213 206 167 225 282 194 228 125 287 161 93 105 117 92 172 96 73 63 43 102 -49 74 -42 23 15 -62 -30 -54 -33 -29 -47 -57 -52 -42 -64 -53 -52 -38 40 -41 -51 57 -21 70 77 103 111 141 153 73 151 122 106 118 93 79 211 120 74 69 91 101 79 73 86 125 57 -11 50 93 65 35 -7 55 69 -1 71 49 -22 35 -11 -15 11 47 5 -16 -35 46 45 -28 34 -35 62 -3 50 -39 59 -12 64 21 -21 7 -18 -47 -51 -42 29 -6 -54 -50 30 -30 -18 -61 -20 17