Portable fish finders are an incredible gadget that can actually assist you to locate fish when used properly. Prior to the invention of this type of equipment, fishermen utilized a depth finder that only showed the depth beneath the vessel. There was no specific display showing the presence of schools of fish. Thus, depth finders were of little use to commercial fishermen. Then came the sounders with printed graphs rolls that were quite precise if utilized properly.

Still, the real innovation was the arrival of the LCD (liquid crystal display) sounder that indicated both fish and bottom contours. Currently there is a wide variety of these LCD fish finders. Choosing the suitable portable fish finder can be challenging due to the fact that market pricing is very competitive and products are being updated at all times. Top of the line models can cost more than the average dinghy, however simple units can be completely within your means and cost as little as $300 from a discount fish finder retailer.

The technology has come a long way from the time when electronic fish finders first showed up on the market. Recent devices are thinner, more lightweight and more menu-driven than their forerunners. The units have either black and white or color displays and the displays come in many different dimensions. The larger display screens are more appropriate to bigger fishing boats where they can be kept out of the sun and weather. These are perfect for commercial fishing trawlers.

The key to the effectiveness of a fish finding sonar is its transducer housing. This is essentially the working part that scans the area beneath boat and transmits the information back to the screen where you can see it. By bouncing a sonar signal, you'll be able to see fish, weeds and underwater structures. How quickly this echo signal process takes depends on the portable fish finder wattage, the transducer and the depth of the water. The higher the wattage, the more powerful and quicker the signal is processed from the transducer.

When looking around a fishing gear store, do not feel that bigger and more expensive equates to a better portable fish finder. Consider the size of your boat and realistically evaluate your needs. Even if you have the space, do you really need an expensive piece of equipment? Unless your livelihood depends on a great catch, you don't need a top of the line model. Once you've made your choice, make sure that it is properly mounted.

An improperly mounted fish locator will not perform correctly. Follow the instructions carefully or get some help. With the right model and proper installation, you'll get such great catches you'll think that the fish are finding you!

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Article Submitted By: Greg Holmes.
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