GPS Accuracy

Are you comfortable with the accuracy of your GPS receiver?

by Blake Miller

The package says that your Global Positioning System (GPS) receiver is accurate to +/- 15 meters and some advertise +/- 3 meters. Just what does that mean to you?

Accuracy depends on several things, most of which are beyond your control. For example, it is reasonable to expect a new GPS with the latest antenna, circuitry, processor capability and memory technology will perform better than one made in 2005. The number of satellites signals a receiver acquires helps too; you’ll need at least four.

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