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Introduction
Trident is a netsonder with a wide angle of view. Placed on the headline, it is designed to work primarily on pelagic trawls.
The sensor is available in two applications:
- Trident Down Looking: it sends three echogram images of the area below the sensor, and one above.
- Trident Up Looking: it sends three echogram images of the area above the sensor, and one below.
Echogram ranges are configurable from 20 meters to 160 meters. Moreover, the sensor includes an automatic range mode, in order to have a better image resolution when the trawl is close to the bottom.
