Hr20's are still in tight supply be patient in less than 6 months the supply should increase and they will be more willing to honor you free exchange. Right now they can sell every unit they produce why should they make them FREE?
Check that TV antenna before the weather degrade too much even if you are in N.C. it won't be getting much better.
Check that TV antenna before the weather degrade too much even if you are in N.C. it won't be getting much better.