From article:
"What's different for distributors lately is that they also have to pay for 
broadcast TV station signals, which they used to get for free in exchange for 
carrying upstart new channels. In recent years, broadcasters like CBS have 
demanded cash from TV distributors for broadcast signals, even though consumers 
who go through the trouble of setting up an antenna could get them over the air 
at no charge.
Such "retransmission fees" are expected to double industry-wide from $1.8 
billion this year to $3.6 billion in 2017, according to research firm SNL 
Kagan."
Ouch !