If your farm machinery auto steer or GPS guidance system is tied into a local RTK or Real Time Network (RTN) corrections ...

The old standards like the North American Datum of 1983 (NAD 83) for horizontal positioning and the North American Vertical ...

MOULTRIE, Ga. (AP) - Darrell Williams spent part of his childhood behind a mule, plowing the fields on his family's tobacco farm. "It was hot," he said. "I had to follow that plow and that mule. There ...