Abstract: In this paper, a simplified latitude and day-of-year (DoY)-based model is proposed for the retrieval of precipitable water vapor (PWV) from global positioning system (GPS) signal.

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

If your farm machinery auto steer or GPS guidance system is tied into a local RTK or Real Time Network (RTN) corrections signal, there are critical updates to make before spring planting. Find out ...

GPSBabel: convert, manipulate, and transfer data from GPS programs or GPS receivers. Open Source and supported on MacOS, Windows, Linux, and more. Pointy clicky GUI or a command line version ...

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