R2Sonic 2022 - Table 11: Operating Frequency - Water Temperature - Absorption

Page
110 of 133
Version 3.0 Rev r000
Date 25-08-2010
Part No. 96000001
Seawater Absorption db/km
Freq. 10°C 15°C 20°C 25°C
200 55 67 80 89
210 57 69 82 94
220 59 71 85 97
230 61 74 88 101
240 63 76 91 105
250 65 78 94 109
260 67 80 96 113
270 69 82 99 116
280 71 84 101 120
290 73 86 104 123
300 75 88 106 126
310 78 91 108 129
320 80 93 111 132
330 82 95 113 135
340 85 97 115 138
350 87 99 118 141
360 90 102 120 143
370 92 104 122 146
380 95 106 125 149
390 98 109 127 152
400 100 111 129 154
Table 11: Operating Frequency - water temperature - absorption