Communications satellites are relay stations in space. They bounce telephone calls, television pictures or internet data from one place on Earth to another.
Satellite communication (satcom) has made the massive growth in digital TV broadcasting, global mobile telephony, internet traffic and other broadband services possible. In the long run, it should bring fast and affordable telecoms to urban and rural communities worldwide.
The UK is one of the world's leading manufacturers of communications satellites and a major developer of new satcom applications. It is also home to both the world's most successful satellite TV broadcaster and the world's largest global satellite communications provider.
UK involvement encompasses:
ARTES
The Advanced Research into Telecommunication System (ARTES) programme provides the main vehicle within the European Space Agency (ESA) to support development of satcoms. UK participation in ARTES has led to a thriving UK communications technology sector, achieving a number of important commercial successes and export orders.
Watch these videos to find out some of the ways in which satcoms help people communicate.
Satellite technology has transformed TV. The Government harnesses this technology to inform as well as entertain.
Windows Media Video format (recommended)
MPEG-1 format
In 2005 British yachtswoman Ellen MacArthur sailed single-handed around the world in record-breaking time. Satcoms contributed to her success.