Comparing EPIRB and PLB: Which is Right for You. PLBs are designed for use by individuals, such as hikers, climbers, or pilots, and are typically carried. They are smaller and more portable than EPIRBs, and are intended for use in land-based or personal emergencies
Overview: GPS [Global Positioning System] is a system of 30+ navigation satellites circling around Earth. We know where they are since they regularly send signals. A GPS receiver in your phone or any other modern-day device listens for these signals. As soon as the receiver determines its range from three or even more GPS satellites, […]