Dish Network cancellation penalty: What do I do?

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Q. We signed up for Dish Network six months ago. Now we've had to move. We were on a month-to-month rental basis after the annual lease expired, and the landlord decided to move his daughter into the house. We found a new place and moved in, but dishes aren't allowed. Dish Network says too bad, you owe us $200+ for early termination fee, plus $99 to reimburse us for the "free" installation. I can see reimbursement of the installation fee, but the fee seems excessive. Is that contract clause legal and enforceable?
Bayard Kohlhepp
Arden, N.C.