User talk:Zhongdatx

Satellite antenna can be divided into positive feedback and the partial feed two kinds. Positive feedback is we often say the cauldron, receiving C band shows. Partial feedback is also called small pot, receives Ku programs. C band antenna are 1.35, 1.5, 1.8, 1.5, 1.8 M, etc all kinds of specifications, in the northeast this several specifications can completely satisfy all receive domestic channels and phoenix satellite TV channel, CNN, BBC, NHK and other international famous needs. At present a number of important such as the United States consulate general in shenyang foreign star hotels in shen institutions and large antenna USES the DCS, its quality by the user. Ku antenna, commonly used specification is 0.35, 0.45, 0.6, 0.75, 0.8, 0.9, 1.0, 0.9, 1.0 M, etc., can fully satisfy the people in northeast China, cable television station, and "coverage" engineering requirements. With is different feed antenna, partial feed antenna appearance is oval, surface radian shallow, using formal way elevation are relatively lower feed of about 20 degrees