A multibillion dollar proposal to create a 4G wireless broadband network in the United States could interfere with several scientific services that use the Global Positional System (GPS), including forecasting the weather, monitoring climate change, and tracking volcanic activity, U.S. federal officials told a Congressional panel yesterday. Their concerns are the latest in a crescendo of objections raised against the proposal by federal agencies and providers of GPS-based services.
LightSquared, a company based in Reston, Virginia, has already spent over $4 billion to set up the network, which would provide improved cell phone and Internet connectivity across the country. The network would be supported by LightSquared's geostationary satellites and some 40,000 ground transmitters operating...