| 摘要 |
The invention relates to a filling ratio indicator for a trawl, Danish seine or a similar towable seine device with a net, comprising a main body arranged to be located on the surface of the net and with attachment devices for attachment to the net. The invention is characterised in that it comprises at least one angle sensor for measuring the angular position of the main body and thereby the angular position of an area of the net in the immediate vicinity of the sensor and a processing unit for providing, based on the said measurement, an indication of the filling ratio of the trawl, Danish seine or seine device. The invention also relates to a method and a system for providing an indication of the filling ratio of a seine device.
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