I drive a SsangYong Musso, and the speedometer consistently reads a few miles per hour above my satnav. I have always believed that the satnav would be the most accurate and reliable, but I recently ...

Versatile GPSMAP 67 Series and eTrex SE handhelds have longer battery life, improved positional accuracy, and global communication via inReach satellite technology Olathe, KS /PRNewswire/ - Garmin ...

For decades, the Global Positioning System (GPS) has maintained a de facto monopoly on positioning, navigation and timing, because it’s cheap and already integrated into billions of devices around the ...

If I were asked to do this, I'd start with Differential GPS. Send the correction out over the cloud. DGPS should get you within 2 or 3 meters if the reference station is close and the correction link ...

Versatile GPSMAP 67 Series and eTrex SE handhelds have longer battery life, improved positional accuracy, and global communication via inReach satellite technology The all-new GPSMAP 67 Series ...