A depth sounder is a device used to measure the depth of the water. It is important to have a depth sounder on board to ensure that the vessel is not in danger of running aground. The fourth essential instrument is a GPS. A GPS is a device used to determine the vessel’s position. It…
A depth sounder is a device used to measure the depth of the water. It is important to have a depth sounder on board to ensure that the vessel is not in danger of running aground. The fourth essential instrument is a GPS. A GPS is a device used to determine the vessel’s position. It…
