This entry was posted on Thursday, October 23rd, 2008 at 9:03 am and is filed under Fishfinders. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
How Does a Fishfinder Work?
, 10 23rd, 2008
A fishfinder is one of many tools used by fishermen, both recreational and commercial, to increase their success when fishing. But how do these handy little devices work? How can they potentially convert an entire day of sitting in a boat without one nibble into a boat full of flopping fish?
The technology behind these devices is in no way new. Sometimes known as a fathometer, these devices work on the principles of echo sounding—also known as SONAR. In essence, a pulse is transmitted from the device which is then turned into a sound wave. That wave is sent through the water where it hits anything and everything in the immediate area. When it hits something solid, like a sizable trout, the image of that object is displayed on the fishfinder’s screen. It can account for shape, size, and composition of whatever object it’s detecting.
There is, of course, a range of quality within these products. Some of the higher end options can detect additional features such as distance of the fish to the boat. And some units, like the Garmin fishfinder, are even equipped with GPS navigation abilities.
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