Is it possible to get a HDTV reciever (DTV) , and use it for the OTA signals (HDTV) without the 3 LNB dish? In other words, can the HTDV receiver work like an older receiver until I upgrade my dish etc...?
In a nutshell, yes. Most, if not all of the DirecTV+OTA HD STBs have a "no dish" option. Or you can run them with just the single dish until you get the upgrade. As you've seen on this board, only DirecTV's HD ppv channel (198) is on the 101 bird at the moment. But any unit will function fine as OTA-only until you upgrade your dish.
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