demonstrating a DGPS fix.. accuracy of 2 M. Picture credit to GPS addiction
Also, check out the Wikipedia article for more info!
Here is a picture of a private DGPS station in Germany.
|Original Image © User:bdk / Wikimedia Commons / CC-BY-SA-3.0|
A battery operated GPS receiver used for 'precision agriculture' navigation. It calculates its position to a few minutes, and than sends out a DGPS correction signal via FM radio to GPS devices on nearby farm equipment. Any agriculturalists out there who know more about this?