Debating the safety of cell phone use
The dangers of cell phones have led to preventive policies in France, Israel, Finland, and India, and there are simple ways to minimize the health risks associated with exposure to the radiation energy they emit, according to Devra Lee Davis, PhD, MPH, President of the Environmental Health Trust, in a [...]
Globalstar – satellite constellation for satellite phone
Globalstar is a low Earth orbit (LEO) satellite constellation for satellite phone and low-speed data communications, somewhat similar to the Iridium satellite constellation and Orbcomm satellite systems. The Globalstar project was launched in 1991 as a joint venture of Loral Corporation and Qualcomm. On March 24, 1994, the two sponsors [...]
Iridium – satellite constellation
Iridium Communications Inc. (formerly Iridium Satellite LLC) is a company, based in McLean, VA, United States which operates the Iridium satellite constellation, a system of 66 active satellites used for worldwide voice and data communication from hand-held satellite phones and other transceiver units. The Iridium network is unique in that [...]
Thuraya – satellite phone provider
Thuraya – the Arabic name of the Pleiades, is a regional satellite phone provider. Its coverage area is most of Europe, the Middle East, North, Central and East Africa, Asia and Australia. The company is based in the United Arab Emirates and distributes its products and service through authorized service [...]
Inmarsat – British satellite telecommunications company
Inmarsat plc (LSE: ISAT) is a British satellite telecommunications company, offering global, mobile services. It provides telephony and data services to users worldwide, via portable or mobile terminals which communicate to ground stations through eleven geostationary telecommunications satellites. Inmarsat’s network provides communications services to a range of governments, aid agencies, [...]
