New to full timing, we have two receivers one of them able to record, and has two tuners. I set it up with only one tuner active and have problems when it comes to recording and watching at the same t...
You would need a 2 to 4 multiswitch. Takes 2 connections from the antenna and turns it into 4 connections so you could run 2 to your DVR and one to the other receiver. I have one kicking around in the garage, but it has been a couple years since I last saw it. Try eBay or Amazon.