These Networks can be received 106 degree magnetic compass.
NBC , CW+ , ABC , CBS , PBS .
Are all UHF channels , Install a Winegard HD9095P UHF antenna with a Winegard AP8275 preamp aimed at about 106 degree magnetic compass.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
To receive FOX and MyNetwork and more of , NBC , CW , ABC , PBS at 307 degree magnetic compass install a Winegard HD7696P antenna with no amplifier aimed at about 307 degree magnetic compass.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
This is 2 Separate antenna systems and the 2 systems are not connected to geather on to one coax.
The 2 separate antenna system caoxes go to the location of the Tv where the 2 separate coaxes will be are connected to a remote control A/B antenna switch ,
http://www.radioshack.com , # 15-1968. or
http://www.mcmelectronics.com , # 32-4425.
And the A/B switch is connected to the Tv.