The US-based Association of Equipment Manufacturers (AEM) has joined a variety of industries and companies in forming the Coalition to Save Our GPS. This group aims to resolve a serious threat to the Global Positioning System (GPS). The threat stems from a recent highly unusual decision by the US Federal Communications Commission (FCC) to grant a conditional waiver allowing the dramatic expansion of terrestrial use of the satellite spectrum immediately neighbouring that of GPS. There is a risk it could pote
