Also check out
http://www.channelmasterstore.com , The CM7000 and CM7000PAL . The last of the ghost killer antennas that were made by antennacraft , channelmaster , the last one being made now is winegard HD7210P . Ok check this out
http://www.markertek.com , Americas Broadcast Supply House , Check out the Totevision ATSC 100 and other ATSC tuners. In the markertek search box type in atsc modulator or atsc tuner.