The term DGPS is misused quite a bit in the UAV industry. DGPS, which stands for differential GPS, refers to any system that provides corrections to a GPS receiver based on a second GPS receiver at a known location. The GPS receiver providing the corrections is called the “reference station” and the GPS receiver using …
A Tale of Two Concords
There is an odd museum just off the autobahn between Frankfurt and Stuttgart. Normally, museums have a curated feel about them; this one feels more like a bunch of stuff. There's a Stuka dive bomber sitting next to a giant pipe organ. There is this bizarre frankencar named Brutus, created by dropping a massive 46-liter …

