Distance education has a role in the management of education in the country can be divided into the nature of 2518 (1975) Thai development education into two levels: the lower level, distance education, higher education and distance education, higher education levels, other Department of education outside the school were responsible for distance education. Lower levels of education, which was originally the Department of education school distance education management also has printed materials as the main media and supplemented with radio broadcasting, as well as adult students. Students who enroll have to listen and take lessons on the radio? Do not use "some people claim that there is no time to listen to the track. A lesson on the radio with only a single voice is not very interesting to listen to. Current TV, with the role of media in the lives of Thai people increasingly. Both audio and Visual Media has advantages in content, teaching various subjects clearly. Most of the television media commitments to industry, business, advertising, and entertainment. Lease time from the existing TV channels free of charge very high and important station may not be allocated from time to time, as required by the educational authorities need.Study on satellite for the first time is when Phra Borommarachininat H.R.H. King's birthday August 12, 1994 by direct transmission system in broadcast to the audience (Direct to home: DTH) broadcast on this system is sending a signal to a satellite, then the signal will be transmitted from the satellite to the receiver, which is installed at the point of installing the receiver. Kit contains1. satellite (Dish Antenna) with a combined signal (Low Noise Block and Feedhorn: LNBF)2. the satellite tuner (Integrated Receiver and Decoder: IRD)3. TV tuner (T.V. Monitor)
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