Install a Winegard HD7000R antenna ,
http://www.canadapost.ca/shopper/sea...ywords=hd7000r. Aim the antenna at 73 degree magnetic compass , digital channel 6. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. The HD7000R has the longer metal receiving elements needed for the reception of channel 6. The HD7000R is not a very directional antenna and will receive about as well at the front and back of the antenna. You can try the HD7000R antenna in the attic , however the HD7000R will need to be mounted above the roof. Here are some antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html