While drones must be piloted by someone, satellites are fully autonomous. Once in orbit, they revolve around the Earth, using sophisticated lenses and sensors to image the planet and send data to the Earth station. Satellites offer a different view, but also limited. For example, the smallest thing a satellite can “see”, also called resolution (or pixel size), ranges from a few hundred meters to one kilometer, according to Gray.
In contrast, drones can have a resolution as small as a few centimeters wide. Specifically, it aims to provide information on the options and performance of global navigation satellite systems (GNSS) used by drones, including augmentation systems. In the Earth's atmosphere, aerial drones navigate and verify precise positioning based on one or more global navigation satellite systems (GNSS).
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