There are plenty of GPS navigation units on the market today ... In order to get the map images on the device, [middelbeek] has to go through a manual process. First he has to download a GEOTIFF ...

is developing 3D maps of the entire Earth for precise navigation. Data from the drone’s sensors will be compared to this map. The new Pinpoint tool uses a three-dimensional image of the Earth to help ...

The previous chapters described the hardware and software needed to make GPS observations in the receiver. This chapter focuses on how these observations are processed to form a navigation solution.