Category: ‘Satellite’

Satellite Radio Technology

April 11, 2012 Posted by admin

For many years, satellite television had been available to the viewer, allowing you to watch your favorite shows in high definition quality. It is now even possible to surf the Internet by these means and you get to enjoy super fast speed. So, it is logical that you should be able to listen to satellite radio with this technology.

Swapping over from your regular radio to this new technology means that you no longer have to become frustrated over poor signal strength or quality. The broadcast quality is excellent and you never have to worry about constantly fine tuning your favorite station due an enlarged sized footprint.

Normally, if you are driving on a long journey, you will have to constantly retune your radio as you travel to search for a new station you like as you move from one locality to the next, unless you have tuned into a national station. This switching and tuning that has been a part of life for FM and AM radio listeners really is now becoming a thing of the past.

When you are searching for new radio stations to listen to by this modern and diverse method, you will find that stations are often categorized by genre and era or decade. This means you could tune into a channel that plays the specialist music you love, such as 1980s pop music. You will almost certainly be used to this method already if you have satellite television in the home; here once again you will find hundreds of specialist music channels to choose from.

What you may find different in listening to the radio in this digital age is that there will be less talk time, less intros and just good quality music. The disc jockey does still exist in satellite radio, but he takes more of a back seat. He will prepare the songs for the next hour and compile them onto a format that is like an MP3 to play; long gone are the days where records got stuck or jumped on your favorite show.

The different stations that you may wish to tune into all have a separate digital frequency, and like with television, the decoder that you have in the home or in your car will automatically find all the stations in real time. This means that the end result you actually hear is converted from binary into analogue and the music will sound as good as an unscratched compact disc.

The footprints that are used in order for these digital broadcasts are huge, and the advantage of this is that you will never have to retune your set on a long journey again. A country the size of Britain needs only footprint to cover even the furthest of points, America starting with two, one for the west coast, and the other for the east.

In order to successfully listen to this kind of radio, you do not need to worry about having a huge parabolic dish like those required for television. A simple digital aerial is sufficient, and this will allow you to obtain excellent reception wherever you are, even if you are on the move.

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Categories: Satellite

Swarm Satellite Asteroid

April 5, 2012 Posted by admin

If you are someone into science fiction, and you’ve been thinking about NASA’s trip to an asteroid, or how some of the other space agencies in the top nations of the world are tackling this challenge then I’d like to recommend; “Asteroid Wars” by Ben Bova. Further, you might like to look up the videos and free online reports from the recent 2011 NEO Conference by NASA in Washington DC. You see, it appears that everyone is on the same page, and working together against a common enemy.

That common enemy being a killer asteroid, one which might literally take out human populations around the globe – a big giant event, similar to the one that is theorized to have taken out the dinosaurs. Perhaps you’ve heard Stephen Hawking talk about how it is important for humanity to travel to other planets and colonize there, not to leave all their eggs in one basket in case of a cataclysmic event killing life on Earth. Indeed, this makes a lot of sense to me as someone who organizes and runs a think tank.

Likewise, it will be easier to bring humanity together if we concentrate on a mutual enemy rather than fighting against ourselves. Global warming was one such attempt, although that was a false reality, and well overplayed. The chance of a large asteroid hitting the Earth any time within the next hundred years is not very likely, and after 100 years hence we will most likely have the technology to deal with such an event anyway.

Still, calling everyone to action now to work on this problem is probably a good thing, and it does excite the imagination and kindle the innovative spirit of the human species. Now then, in Homeland Security News there was an interesting article recently titled; “A swarm of small satellites to deflect menacing asteroids,” published on the 28 of March 2012 which stated that perhaps the best way to divert an asteroid might be to use;

“A swarm of relatively small satellites flying in formation and cooperatively firing solar-powered lasers onto an asteroid; this would be a more effective way than the current methods being contemplated, which are focused on large unwieldy spacecraft. Flying in formation and cooperatively firing solar-powered lasers onto an asteroid – this would overcome the difficulties associated with current methods which are focused on large unwieldy spacecraft. These would be capable of flying in formation with the asteroid and firing their lasers targeting the asteroid at close range.”

Is this possible? Well, actually it is, and it’s funny you should ask that. You see, a group of small satellites flying in formation using lasers could create a plasma field in the path of an asteroid, which could very easily slightly change its course. If you were to change the course of an asteroid by one tenth of 1-degree while that asteroid was fairly far away, over time its trajectory and distance from its current path would expand greatly, therefore completely missing the Earth, that is if it were actually on a collision course to begin with.

Should we build these satellites to practice with – of course, why shouldn’t we? If we have the ability to do it we should try, and what we learn will be very valuable for the future. For instance perhaps we want to capture one of these asteroids take it to a Lagrange point and mine it for its exotic materials. That would be of value right? Sure it would.

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Categories: Satellite

The Advent of Satellite and Cable TV

March 29, 2012 Posted by admin

TV armed forces worn to be obvious and regular being in advance the advent of satellite and cable TV. They were unexceptionally aired because of prohibitive elevation towers, and homes had antennas that captured signals and displayed them on the test. These days, nevertheless a superfluity of options are available approximating the cable and satellite, all vying with the other for a larger reveal of the enormously large household subscribers. Sales records cage hooked on billions of dollars with manifold companies in commission on both the segments.

Subscribers predilection for each of the style of transmission satellite or cable, is a number sequence of convenience, price thing and simple openness. Both modes of transmission have their evils to split with satellite transmission container be cumbersome to greet at some stage in whiteout or when present is generous disturbance to the character on the contrary scores prohibitive when it comes to simple openness, though cable TV has to put together do with the misfortune laying cables the whole the system to the subscribers family circle, manufacture it a other posh proposition for the subscribers, on the contrary has the advantage of combining cell phone and internet alongside.

The case in substantiate for satellite TV is the transportability and the simple openness. Nevertheless, the fight concerning the a number of subscribers is so intense that it is a no holds barred job for generally of the companies. They choice go to at all part to sell their armed forces, and customers over and over again reduction quarry to the prohibitive pitch advertising that the companies route to. On the contrary TV overhaul is a prime condition that households cannot do not including, hark back to. On the contrary not the whole is vanished each, customers container stagnant vote for the correct gentle of satellite TV they would like for their homes if merely they choice misappropriate a insufficiently other thoughtfulness to scan the offers, and mainly folks that are in sunny prints set aside isolated in an mild surround of their advertising unsolicited mail or websites.

The basic and generally vital piece to interpretation an proposition is to impede the digit of channels that they choice proposition for a prime subscription the other the improve. The moment one is to spot the digit of channels they have in the whole whatever thing 200 digital channels be supposed to be brilliant and filling for generally homes. They choice commonly be a number sequence of numerous specific channels for: Sports, Composition, Culture, Flora and fauna, Newscast, Movies, Sitcoms…etc.

The improve satellite TV companies choice have HD (prohibitive Focus) transmission in their offers and over and over again they come merely if you are ready to forfeit a little other than the prime subscription fee. Merely the preeminent of satellite TV container bestow other than 80 channels and that the subscribers container regard as a beneficial analyze to reduction for it. On the contrary, to spectacle HD transmission, the subscriber choice and necessary to have an HD inclined TV.

In their quest for a larger reveal of the on the rise market for satellite TV, companies unexceptionally dish shown various freebies, commonly premium channels that could stay fresh for a little months, of path taking into account that its departure to be forfeit and urge it, dont put behind you. On the other hand, it choice let the buyer have enough instance to irrevocably put together a fine assessment of his necessities and vote for the correct ones for his or her pleasure.

And irrevocably dont put behind you to impede if the operator choice bestow with DVR (digital Videocassette Recorder) for the convenience it offers. Having a DVR has several reward you container program the set-top sachet to take notes though you are gone, or when superstar moreover in your household is inspection a poles apart channel. It resources you choice in no way all over again let pass a further program.

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