A fishfinder is an instrument, people use it to locate fish underwater by detecting reflected pulses of sound energy, as in sonar.
Modern fish finders display measurements of reflected sound on a graphical display, allowing an operator to interpret information to locate schools of fish, underwater debris, and the bottom of body of water.
How Does a Fish Finder Work?
A fishfinder, also called a sounder, is a type of sonar tool specifically designed to find fish. Newer model have integrated GPS navigation, marine radar, and compasses. Meanwhile these not only help you find fish,also help you find your way. So, they’re a great tool for low visibility below and above water.
Essentially, fish finders use sound to locate objects underwater. Active sonar, like in the fish finders, send sound pulses into the water and waits for an echo.
It can convert a picture of reflected objects , like a school of fish. Frequencies range from infrasonic, which means very low, to ultrasonic, which means very high.
For fish finders there are two main types of sonar: down scan and side scan. There is also new technology into going into a combination.
The fish finders are affixed permanently on many larger fishing boats. So as a portable one has many advantages.
They allow versatility, so you can enjoy all types of fishing—wherever the fish may lead you. You do not have to choose between canoe fishing and lake fishing. Perfect for rental boats. They are easy to transport and lighter weight. And, you can move the fish finder to locations.
A fixed one also have advantages. They are generally more high-tech, upping your fish hunting game and increasing your hull. Your GPS maps may be more reliable, which is great if you are docked somewhere you fish from frequently. The screen size can be larger. If you own a boat, you are truly equipping your boat for the best fishing with a large, high quality fish finder.
So If you are an occasional fisherman, the best fishfinder for you may be portable and simple.
If you are a serious sport fisherman or like elusive catch, the best fishfinder for you will mean investing a little more seriously.