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http://forum.tvfool.com/showthread.php?t=695 , about Real Digital Tv Channels , Virtual Digital Tv Channels , Analog Tv Channels. Most all of the digital tv stations/channels are about the direction of 149 magnetic compass. What is the direction that the Tv antenna pointed ?? . DO NOT use any type or kind of preamplifier with a Tv antenna at your location , the Tv transmissions are Extremey Strong and a amplifier Will Overload and be the cause of bad reception. How many Tv's will be connected ??