They use ultra sound waves that are bounced off the bottom of a body of water. Newer depth finders use sonic waves.
The fathometer is a kind of sonic depth finder. A fathometer will display water depth and make an automatic permanent record of measurement.
Depth finder (sonar)
When buying a depth finder what you should look for depends on which of the four varieties you're buying because they're all used for different activities. It should have a GPS tracker and sonar but other features vary by use.
Finder works just like the Start button on a Windows PC.
yes,
Using a Spa Finder gift card is very simple and easy to understand. One can use a Spa Finder gift card at any Spa Finder location that accepts it not all locations do.
Implied depth is overlapping to create depth in a work of art.
No they will not work
It's very similar to the depth finder on a boat...sound waves are transmitted to the target and the "depth" determined from timing the return of the echo. This is in turn converted into a picture by computer software. I hope this makes sense to you.
Depth in a work of art is indicated by the use of shadows and light which gives relief to the work. This can make a two dimensional work appear to have three dimensions.
sure did bud :)
depth and color