All Stories: Global Positioning System

WASHINGTON: U.S. firm Iridium Communications Inc on Monday said its Satellite Time and Location (STL) system was ready for use as an alterative or companion to the U.S. Air Force's Global Positioning System (GPS) satellites.

BEIJING: China launched two new satellites into space Saturday, state media reported, as it builds a homegrown satellite navigation system to rival the US's Global Positioning System.