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How to Determine the Accuracy of Your GPS Unit

So you have finally decided to purchase a Global Positioning System (GPS) unit that you can use in traveling unknown territories or hiking faraway mountains. This item can be very useful in determining your location and time, calculating your distance traveled, retracing your steps and a whole lot more. Read on to learn how to determine the accuracy of your GPS Unit. Instructions Difficulty: Moderately Easy Steps 1 Step One Determine the type of GPS unit that you own. The features of your GPS unit can also help in identifying its accuracy. 2 Step Two Think about the times that your GPS unit has helped you in finding a location. When your gadget has helped you in locating various places, then you can say that you must have an ideal unit for your tracking needs. This step can also help you know the cases and instances that your item has failed you when you travel. 3 Step Three Compare your very own GPS unit with other GPS items available in the market. When you are able to determine the differences between your gadget and the other units, you will know the aspects that your GPS item lacks. 4 Step Four Hop online and find some independently plotted and verified positions around where you live. Make a list of those coordinates and check the accuracy of your own unit’s performance as you drive around and visit them one by one. If they are off a digit or two, that’s not such a big deal but if the position that your unit provides is off by more than that, you may need to upgrade.