***Please note that the videos are maybe not completely upload*** This is to demonstrate the normal behaviour of the AQ when its coil is swinging under sea water. Note that the average salinity of sea water around the world (with a few higher or lower exceptions) is between 34 to 36 ppt Ref: https://en.wikipedia.org/wiki/List_of_bodies_of_water_by_salinity Here the IMPULSE AQ LIMITED IN SURF PART 1 --> 7us pulse delay SALINITY 36 grs per liter (PSU) This is