MtnHermit Posted May 18, 2018 Posted May 18, 2018 Ran into this GPS board on a random webpage promising centimeter GPS accuracy. Since I consider my current GPS (OR 450) to be accurate to 20-30 feet, centimeter got my attention. Since the board is $595 and likely takes a bit more power than a pair of AAs, not a fair comparison. But, it peaked my interest in what is the current accuracy of a handheld GPS? Thanks for your thoughts. Quote
+Red90 Posted May 18, 2018 Posted May 18, 2018 Normal GPS with WAAS is, at best 1 to 2 meter. You should be getting this with any handheld in perfect conditions. Centimeter accuracy requires a base station. https://en.wikipedia.org/wiki/Real-time_kinematic Which is what they are doing. You need to have a base station that communicates with the rover unit. They claim 0.75 meter (best case) without the RTK active. Quote
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