What is Satellite Radio?
Overview
1worldspace uses its two satellites,
AfriStar™ and AsiaStar™, to broadcast
digital-quality audio channels
to people around the world who want world-class
programming that is not available or rarely found
on local regional or national terrestrial radio.
Each satellite has three beams and each beam
is able to send up to 80 channels directly to
portable satellite radios. Inside each 1worldspace digital
satellite radio is a proprietary chipset designed
to lock onto the 1worldspace satellite
signal in your region of the world.
No other option provides the variety of programming
that 1worldspace offers. Also, each 1worldspace satellite
radio is equipped with a data port that transforms
it into a wireless modem able to download data
to personal computers at rates of up to 128kbps.
Thus, the 1worldspace satellite
radio can also broadcast multimedia content.
The 1worldspace digital satellite
signal means no fading, noise or interference.
The system delivers high quality digital sound
in a coverage area
of 14 million square kilometers. As long as you're
in line of sight with the satellite, you'll never
lose the 1worldspace signal.
1worldspace Satellites
1worldspace broadcasts from two satellites- AfriStar and AsiaStar, which were successfully launched in October, 1998 and March, 2000, respectively.
1worldspace satellites are "geostationary", orbiting over the globe in fixed positions more than 35,000 kilometers above the equator. Using powerful spot beams, the satellites transmit to three overlapping coverage areas approximately 14 million square kilometers each.Back on the ground, each satellite is supported by three major components: the Regional Operations Center (ROC); Telemetry, Command and Ranging (TCR) Stations; and Communications System Monitoring (CSM) Stations. Each component plays a major role in ensuring the best possible digital signal is received throughout the 1worldspace System. Twenty-four hour monitoring by our dedicated team of professionals further ensures uninterrupted signal quality.
1worldspace Earth Stations
1worldspace satellites use on-board
processing to enable program reception from many
stations. Content providers on the 1worldspace system
can uplink their programs via the traditional hub
method, sending broadcast signals to a central
location for transmission to the satellite. A second
mode enables use of smaller, more mobile Feeder
Link Stations (FLS). Onboard processing technology
converts these multiple signals at the satellite,
combining them into a single downlink signal before
transmitting them back to earth.
1worldspace has engineered the
entire infrastructure with redundant systems to
ensure consistent and reliable service for our
customers.
