Have you ever spent hour after unproductive hour fishing on a lake with nothing to show for it? I doubt there's a serious angler anywhere who hasn't had that happen to them. So, if you can relate to that, this article about the advantages of a fish finder might be just what you need.

Fish finders utilize sonar. These devices use sound waves to detect the bottom of the lake, calculate the depth, and will also detect anything between the surface and the bottom, such as fish. This technology gives the angler a huge advantage by letting you know right away whether or not there are any fish present.

Fish finders have become increasingly more sophisticated in recent years. Early fish finders simply flashed to indicate the presence of fish. But, today, with improved electronics, you can get things such as LCD's with a wide variety of LCD types and resolution. The best fish finders today are similar to watching a color display of the water you're fishing in and show everything with great clarity.

Fish finders vary widely in price and, like everything else; you get what you pay for. Larger units with more features will cost more. Generally, units with higher resolution will cost more than those with lower resolution. Higher resolution will give you greater detail as to what is in the water.

Many of the most popular fish finders are wrist-mounted devices and are worn just like a wrist watch. They will only have basic functions but are very mobile and easy to use. Other fish finders utilize large displays and can be mounted to your boat.

Fish finders can be found for as little as $100 and as high as several thousand dollars. There are many brands available with a wide variety of features, so it pays to do your research before you buy. You can check locally or do what most people are doing nowadays... check them out online. It faster and easier.

You can also find fish finders that include a Global Positioning System (GPS). GPS technology is great for anglers as it provides accurate information about your location. This will help you to return to that great fishing spot with ease. All you have to do is simply record the GPS coordinates of any location and you can easily find it again. The accuracy of GPS is about 9 feet so that should be good enough to find those fish again.

And one of the best benefits of GPS is the safety factor. You will never get lost as you can program your starting point and then easily find your way home... even on the largest of lakes and even in dense fog. Don't underestimate the importance of this feature.

So, having a fish finder is a great way to increase your catch each time out. It will tell you where the fish are (and are not), give you depth information, and return you to your favorite fishing hole. And, with GPS, it will get you back home easily and safely. Do your research online and find the best fish finder to suit your needs and budget. You won't regret it.