Question: What is this antenna on my house?



I'm renting a house, and it has a bizarre antenna on the roof:

It has two cables coming off of it. One of them ends up in my living room, but the end isn't coaxial, it has seven wires instead:

I have not been able to find an image of this antenna anywhere, and it doesn't look like any antenna I've ever seen. I'm hoping that its a TV antenna. If so, does anyone know where I can get a receiver for this beast?

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