For Hi Def over the air reception via antenna, line of sight to antenna is a great thing.
Previous apartment I had a sort of line of sight right at the window. Worked out pretty well.
New place I am blocked from line of sight. And also have to move the antenna around to get all channels.
And this depends on time of day.
Seems late afternoon/dusk some channels just fade below the minimum 35%, and the screen just goes blank.
Though I CAN always move the antenna around to get that channel back (but then I lose some other channels.
Seems once in awhile I find a magic position which I can get all channels without moving the antenna. But then a week later it stops working so well.
I have no idea why.
The best antenna of three $80 indoor jobs is a older Terk flat diamond 8 shape, not powered.
The other two, both powered SUCKED at getting all stations at one position.. (compared to the diamond