[Andrew Holme] wrote in to tell us about some work he’s done to improve his scratch-built GPS receiver ... even when he’s not tracking all eight satellites!
NASA's SWOT satellite maps nearly of all Earth's water (video) — Watch NASA's SWOT satellite unfold in space to map Earth's water in stunning video ...
GPS III space vehicles will introduce new capabilities to meet higher demands of both military and civilian users. It brings the full capability to use M-Code in support of warfighter operations.
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