echo sounder
An electrical fish finder or depth sounder that uses sound echoes to locate the depth of objects in water. It does so by timing the sound pulses.
eddy ...
depthsounder, echo sounder, sounder, Fathometer, depthfinder
An electronic device that indicates the depth of water. A recording depthsounder produces a record of depth readings over time.
desalinator ...
Using a depth sounder or echo sounder can help you approach a lighthouse, marking the way to a harbor. You can use chart depths to intersect a bearing line and give yourself a fix.
ELECTRONIC NAVIGATION- Use of echo sounders, radio, and various electronic satellite and land based position finders (GPS) to determine a boat's location.
...
Ebb - A receding current.
Echo Sounder - (see Depth Sounder).
EGNOS (European Geostationary Navigation Overlay Service) - The European Satellite Based Augmentation System (see SBAS).
Sound- To measure the depth of water by means of a lead line or echo sounder.
Soundings- Depths as they appear on charts.
Spanker- A gaff-headed sail attached to the mizzenmast.
electronic navigation - Vessel piloting by automatic or manual electronic instruments; devices include: electronic compass, echo sounders, radar and position-finding systems (Decca, Loran-C, Omega, VOR and GPS satellite systems).
 See also: Line, Compass, Point, Wheel, Current
  
|
RSS
