Comunicaciones satelitales ingles
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Transcript of Comunicaciones satelitales ingles
SATELLITE
COMMUNICATIONS
John Arredondo
Jorge Lozano
Juan Carlos Caicedo
Frecuencies used
Satellite communications using the range
between 3 GHz and 30 GHz.
This range is known as SHF (Super high
Frecuency)
C Band, Ku Band, K Band and Ka Band
Characteristics of antennas
They have form of parable, because of it they are
parabolic calls.
There are two classes, that of primary area where the
sign bounces towards the center and the Offset (the
common mas in the homes) where the sign bounces
down of the center.
There is a call Cassegrain antenna where the signal
bounces both ways much better reception
The antennas consist of a parabolic reflector and a LNB
(Low Noise Block)
Key Applications
Television
TelephonyInternet
Conclusions
Satellite communications have made the world
get narrow, brings us to places and events
where a few years ago it was impossible to
think in just see them.
Thanks to satellite communications we can
bring education, telephony, telemedicine and
receive any kind of information immediately.