The hydrophone portside belongs to the system of the Fishnet Echo Sounders .

Summary

The hydrophones are necessary for wireless communication with the sensors located on the trawl or seine.

Position

Infoxyz-position of hydrophone from Alignment Survey Report RV Heincke (January 2016).
X21.295 m
(Positive X axis is forward and along the centerline of the vessel with X0 at the Stern point of the vessel.)
Y-3.618 m
(Positive Y axis is portside of centerline with Y0 at centerline at the Very stern point of the vessel.)
Z0.075 m
(Positive Z axis is upwards of basis. Z0 is set to the hydrophone on midship.)