I would go ahead and buy a splitter (or diplexer) first, since their cheaper and try that first. All it's really doing is combinig that signal, but you never have to break it back up again before it hits your reciever. If that doesn't work, trying giving SolidSignal.com a try, they usually have extra stuff lying sround and most likely they'll give you one for free and just charge you shipping.
Actually, no. The special sat C combiner has to trap out the lower transponders from the 119 orbital slot before it can combine the shifted transponders from the 110. Dish Network uses the 8, 10 and 12 frequencies at 119. If you just use a plain combiner, all your receiver would get would be garbage on those transponders since you'd be mixing two identicial frequencies.
And an diplexor is not the same as a simple combiner. Its circuitry is designed to combine signals 1Ghz (satellite) on the same piece of coax. In a situation such as this, it would be quite useless.
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