You may be too new to post some pictures of it, so give us a good description.
- any names on the dish, mount, or LNB cover?
- is it a solid dish, a perforated dish, or a mesh dish?
- is there a motor that moves the dish, and how does that look?
- if you look under the LNB cover.... would you know what you're looking at? (no offense, we have you covered) -
Here's a
web site with pictures and names of the common components; it may help you if you don't have the satellite hardware vocabulary.
Yes, you can likely use it.
Some of our members may recommend a 4DTV receiver, and some inexpensive subscription packages.
Others will recommend DVB receivers, for totally free-to-air operation.
Consider both camps - you might even choose to go both ways.
How far you are away from good off-the-air reception may influence your decisions.
Also, what sorts of TV shows/programming/games would you like to be able to see?