I'm not sure it's a real problem. Our parish broadcasts the mass on two different channels on Sunday morning at different times. The time is paid for just like any other program that they broadcast.
From what I hear, these TV preachers take in more than enough money to pay for the time.

May The Sheep Be With You
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Proud parents of our own "Daddy's Little Girls"
I heard Jesus He drank wine and I bet we'd get along just fine.
He could calm a storm and heal the blind and
I bet He'd understand a heart like mine.
Miranda Lambert