Tv Cable Management Why Does The Federal Government Need The Analog Tv Frequencies Starting In 2009?

Why does the federal government need the analog tv frequencies starting in 2009? - tv cable management

that those who can watch TV with us, to know ... Transmission of television signals go all digital. Parents who in the administration is working on the largest cable operator in the United States, I was told that the "transition" because the federal government is control of frequency, for reasons not yet disclosed. Has someone more information about this topic?