There may be lots of fish in the ocean, but finding them and getting them to bite is another story all-together. For centuries fishing people have wondered how and where to find the fish. It wasn’t until the 1950’s that the biggest strides in fish finding became possible. Technological advances have made it possible not only to find the trees and rocks and formations on the water floor along with the large schools of fish, but even individual fish. Since it was discovered by Carl Lowrance and his sons that 90% of fish will congregate in only 10% of the water in lakes, sonar has advanced to the point where you can find single fish, small schools and the mother-lode of fish!
Fish finders come with a variety of features today with different depth capabilities and ranges. You are able to determine with some features not only where the fish are, but how far down they are. Various units have different sensitivity levels which only you can decide will work for your situation. Preferably, avid fish enthusiasts will want adequate depth capabilities as well as features such as easy to read display monitors. Log readings are available on some GPS fish finders which can recrd trolling speed and distance as well as other information.
Fish can be clever, so you want a device that can pick them out of heavy moss or other water ground cover. Real-time sonar returns can be very beneficial is catching the evasive fish. Temperature readings are important to help you navigate to where the fish may be since they tend to like a certain scope of water temperatures. Zoom features that are available on some models are extremely useful for when you need to do a “double take” on what you just saw.
Many Fish finders have recordable data that can be transferred to your computer or stored in the device for future reference. For some fishing enthusiasts, wandering out where there could be even lake ship wrecks are a possibility. Sometimes they can be goldmines for schools of fish, but you need to be aware that they are there. Some features available on models of fish finder GPS units are the ability to save up to 1,000 waypoints, 1,000 event markers and 100 routes.
Depending on how long you will be aboard, backup memory can be an important feature in the system you choose. You may also want to consider ease of installation and use if you are new to fish finding GPS units. The capability to connect to networking/radar/satellite radio may be an important feature for you. Before you decide on any GPS fish finder, check what is available and what other fishing people have purchased. Customer reviews can be extremely valuable in cases like this. You may also want to check the recommendations of other fishing enthusiasts that you know already use fish finders. Whatever your fish finding needs, there is a GPS unit that is just right for you.
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