% Echo Location Surface Spectrum in units of mm/sqrt(Hz) % 128 Frequency Bands are 0.00781250 Hz wide 134 86 -23 34 25 -9 -52 -50 41 112 190 195 241 186 137 172 206 209 184 111 209 190 107 214 146 127 78 -40 -26 -58 -63 -55 -42 -72 -75 -67 -75 -76 -71 -73 -78 -70 -70 -75 -77 -76 -75 -80 -72 -76 -78 -78 -80 -82 -74 -80 -76 -78 -81 -78 -80 -78 -77 -77 -75 -80 -78 -78 -81 -81 -79 -81 -75 -79 -79 -77 -82 -78 -78 -73 -77 -73 -72 -71 -69 -72 -67 -72 -56 -62 -67 -50 -10 -51 -43 -25 -16 -7 20 59 47 -35 78 55 77 38 56 43 18 53 -30 19 -18 55 -27 -25 -59 -23 -57 -45 -16 34 -35 -63 45 -56 -51 -55