Tv Signals from different axis.
 

I have this profile signal profile from http://www.tvfool.com/?option=com_wr...5134614d0e948d
My main problem is the bulk of my channels are between 140 and 157 degrees. I have found that I can get good reception by splitting the difference. However, I have two channels that I would like to get that are on 117 and 339 degrees. I have done pretty good, by combining the (140-157) degree antenna and the 339 degree antennas on a coax combiner. I am struggling to get the 339 consistently.

Here is my equipment
one Linear 2512 ChannelPlus DC & IR Passing 2-Way Splitter/Combiner
http://www.amazon.com/gp/product/B00...ilpage_o00_s00

Two (One pointing about 148 degrees and the other pointing 339 degrees.)
Winegard FlatWave FL-5000 Indoor HDTV Antenna (Digital OTA TV Antenna / High-VHF / UHF / Ultra-Thin / Black and White - Reversible) - 35 Mile Long Range
http://www.amazon.com/gp/product/B00...=sr_1_2&sr=8-2

I was thinking about moving my setup into the attic to see if I can get better reception. Any thoughts?

The FL5000 is bi-directional, and receives equally from either direction. Using two of them pointed in opposite directions is pointless when the desired station are nearly opposite each other. Just install one of them where signals from both directions can reach it, that may or may not be in your attic.