The history the satellite dish can be traced back to the 1970’s when there were no satellite TV providers unlike today and while satellite TV was in its infancy in 1976 HBO was the first station to provide its programming to cable companies by satellite TV transmission. Astronomical satellites are satellites used for observation of distant planets, galaxies, and other outer space objects. DirecTV is the oldest satellite TV dealer and hence the most popular. Fixed satellite services handle hundreds of billions of voice, data, and video transmission tasks across all countries and continents between certain points on the Earth’s surface.
Unlike cable, satellites can bounce off signals no matter the location. China’s programming includes a variety of channels in Mandarin Chinese in addition to a channel called Videoland that features current events and news, entertainment, and children’s shows.
Uplink yaitu transmisi yang dikirim dari bumi ke satelit, sedangkan downlink yaitu transmisi dari satelit ke stasiun bumi. For years, the biggest drawback to satellite tv was their lack of local network channels in many areas. Handal dan bisa digunakan untuk koneksi voice (PABX), video dan data, dengan menyediakan bandwidth yang lebar dengan menyewa pada provider saja.
They are fixed in one position and receive signals from one orbital position. In addition, each satellite radio contains a small antenna which is capable of receiving the digital signal broadcast from the satellite. DirecTV has more than 255 channels of programming, 80 of which are broadcast in HD (high definition) format.
The main benefit of having satellite TV service is you can access up to 375 channels of TV programming. Transponder: peralatan-peralatan elektronik untuk menerima, memperkuatdan mengubah frekuensi sinyal-sinyal yang diterima dan dipancarkankembali ke bumi. The PCTV cards will decode the analog signals into digital signals so that you can watch TV or listen to radio on your PC.