one to stay away from is the fiberglass dish you can't tell what size of mesh was installed in them.

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I did stop by and inquire about a dish I saw yesterday, and of course, it is fiberglass. Is it a definate no in your opinion? Just as you said, I can get it really cheap, and they are willing to give me their receiver with it. But, even at that, I don't want to waste my time and money for something that will never be adequate.
most of the more modern dishes
What do you consider "more modern"? I think this one is fairly old, they said about 10 years, but I am not sure about that