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The best way to test the prediction models is to install a big antenna that will receive a lot signal.
Install a , Antenna Craft , HBU44 antenna.
Aimed at about 86 degree magnetic compass direction for KTTV FOX.
Aimed at about 312 degree magnetic compass direction for reception of KCOY CBS.
http://www.antennacraft.net.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Use a Real and Actual magnetic compass direction.