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I'm not sure what brand it is, I know the guy who owes it is not using it so I might be able to remove it from his yard and get it for free. I think it's 10 foot mesh dish so probably won't be able to do a dual C/Ku band setup on one dish. I kind of like having two dish on separate bands anyways.
10' is a good size. It'd be good to know what it is, or see a picture of it, there is a few types of dishes that are not so good. I have a 9' and a 12' here and the 9' works almost as well as the 12'. The 9' has lower Q, but it doesn't miss any channels. I like keeping the Ku and C separate too. I have six Ku dishes setup and the C dishes, running through a DISEqC switch.
Setting up the C Band dish and your Ku dish both to your MicroHD [good receiver
] won't be hard, the LNBs can connect through a DISEqC switch, which a good one can be bought for around $20. You want a good one, the cheapo $5 ones just don't hold up well, in my experience. If the dish needs a new LNBF, [which what's on it may be fine] a good PLL one can be bought from Titanium Satellite for around $50, I think, maybe even cheaper. He actually sells good DISEqC switches too.
For the C Band dish you will have to get a V-Box to move it, or a ASC1, those are about the only options there, unless you use a old, old receiver just to move it, but that's usually a PITA. A V-Box is around $30 to $60, depending on where you buy it, the ASC1 is $180. The ASC1 will control a polorotor for switching polarity if the feed on the dish has one, the V-Box won't. If it does have a polorotor, I'd just change the feed to a PLL one.
http://www.titaniumsatellite.com/products
I'd bought a V-Box here a few years back and it's worked good, Maybe if someone has bought from them recently they can comment on whether they're still good or not.
https://www.sadoun.com/Sat/Order/Motors/Positioners-controllers-Vbox-Gbox.htm
My V-Box controls my 9', I also have a ASC1 that controls the 12'. Was, rather, I'm in the process of moving the 12' to another spot in the yard and once that's done, I'm gonna move the 9' and all the Ku dishes, so right at the moment it's not setup.
Probably the only thing that may be expensive for you is if the actuator needs to be replaced, you said that you think it doesn't work? But, could very well be something fixable too, if it doesn't work. You'd need RG6 coax to run to the LNB on the dish and cable to run from the V Box/ASC1 to the actuator motor.
Many, many more channels on C Band than there is on Ku!
Another place to look at what's up there, may not be entirely up to date, but I find it easier to read than others:
http://sathint.com/america