The use of fixed service satellite Technology - Cash-Bandit.com

A fixed service satellite (FSS) is a type of satellite used for services like telephone calls, and television signals for broadcasting. FSS generally has a low power output and larger dish-style antennas are needed for reception. FSS satellites have less power than direct broadcasting satellites (DBS).FSS satellites have also been used for Direct-To-Home (DTH) satellite television channels in North America since the late 1970s. This function has been mostly displaced by DBS television systems beginning in 1994 when DirecTV stared the first DBS television system. FSS satellites in North America are also employed to relay channels of cable TV networks from their originating studios to local cable headends and to the operations centers of DBS services to be re-broadcast over their DBS systems.

FSS satellites were the first geosynchronous communications satellites launched in space. Systems used to receive television channels and other feeds from FSS satellites are usually termed as Television Receive Only or TVRO systems, as well as big-dish systems. This is due to a much larger dish size in comparison to systems for DBS satellite reception.

The Dish Network satellite TV service also depends on FSS satellite technology in the Ku band to give the needed extra ability to manage local channels needed by FCC must-carry rules and make room for high definition TV resolution. The old Super Dish system that network stopped manufacture of years ago, receives circularly-polarized DBS 12.7?GHz from both 110-degree or the Echostar 8 and 10 satellites and 119-degree or the Echostar 7 satellite) orbital locations as well as linearly-polarized FSS 11.7?GHz from either the 121-degree or Echostar 9 or 105-degree orbital locations reliant on consumer selection. Those FSS satellites are not used for Dish Network home subscribers any more, and are now used completely for commercial or corporate services. It has an oval LNB called a DP DBS/FSS Dual Band. This LNB will receive both the 119-degree and 118.7-degree satellites.

While the original Dish Network satellites use circular polarity at 12.7?GHz, the newer Intelsat 13/Echostar 9 satellite at 121-degrees uses the older FSS technology to broadcast commercial and corporate services. As a result, recent DiSH Network receivers are planned to receive both circular and linearly-polarized signals at two different intermediary frequencies from up to five different orbital locations.

The SuperDish had three low-noise block downconverters to hold the three satellites and two different technologies. SuperDish came in two configurations: SuperDiSH 121 was for international programming but is presently employed wholly for commercial and corporate services and SuperDiSH 105 which is presently used specifically for commercial and corporate services. These two configurations were used for high definition and for customers in areas whose local channels are only available on the 105-degree satellite. As with other FSS technologies these signals have much lower power and as a result the SuperDISH is a very large and unbalanced attachment. However, since the SuperDISH is under 1-meter in width it cannot be disqualified by homeowners? associations.

Source: http://cash-bandit.com/2012/03/30/the-use-of-fixed-service-satellite-technology/

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