Spot Beam
A
spot beam
, in
telecommunications
parlance, is a
satellite
signal that is specially concentrated in
power
so that it will only cover a limited geographic area. Spot beams are used so that only
earth stations
in a particular intended reception area can properly receive the satellite signal. One notable example of the use of spot beams is on
direct broadcast satellite
systems such as
DirecTV
and
DISH Network
that deliver local
broadcast
television
via satellite only to viewers in the part of
North America
from which those terrestrial broadcast stations originate.
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