Smaller antennas have less reception.
'Cleaner' looking antennas have less reception.
Hiding antennas will produce less reception.
Recommend put the HDTVi antenna in/at the patio door window for better reception.
For improved reception put a , ANT751 , or , Antenna Craft HBU11 , out on the patio.
Aim the antenna to the , North East.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Digital tuners can develop - Digital Glitches - that are not cleared out with simple channel scans.
Do Double Rescan ,
http://www.wchstv.com/DoubleReScanAlert.pdf.