2008 October

Archive for October, 2008

GPS Units: How Do They Work?

Sunday, October 19th, 2008

Whenever we have some understanding of a technology such as GPS systems and how they work, it helps us appreciate that technology and understand its cost.  GPS systems are added – and more often, standard – features in the latest cars, PDAs (Personal Data Assistants) and cell phones.  This author isn’t an engineer or scientist, […]