In DGPS systems, what is the primary benefit of using differential corrections?

The primary benefit of using differential corrections in DGPS (Differential Global Positioning System) systems is the improved positional accuracy that these corrections provide.

DGPS systems work by using a network of fixed ground stations to determine the error in the GPS signals received from satellites. These ground stations know their own precise locations and can calculate the difference between where the satellite-based GPS system has placed them and their actual locations. The corrections calculated by these stations are then transmitted to nearby GPS receivers.

As a result of applying these differential corrections, GPS receivers can significantly reduce the errors that can occur due to factors such as atmospheric conditions, signal multipath, and satellite inaccuracies. This accuracy enhancement is especially important in applications where precise location measurements are critical, such as in navigation for marine vessels, aircraft, surveying, and various engineering applications.

While other factors like power consumption, data transfer times, and broadcasting range may have implications in the broader context of GPS technology, they do not directly pertain to the primary advantage provided specifically by differential corrections. Thus, improved positional accuracy stands out as the key benefit of DGPS systems.