Antenna system number 1.
Install a Channel Master CM4228HD UHF antenna aimed at about 150 degree magnetic compass direction.
The CM4228HD has higher gain on channels 14 thru about 30 , XETV-DT UHF channel 23 The CW is very weak , so the CM4228HD is for to reach out for that channel. And also receive the other UHF channels.
Install a Winegard YA1713 VHF high band antenna aimed at about 145 degree degree magnetic compass direction.
Connect the 2 together with a UVSJ and and connect the CPA-19 preamp.
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Antenna system number 2.
Aim the DB8 with a CPA-19 preamp at about 16 degree magnetic compass direction for reception of , KVMD UHF channel 23 and KHIZ/KLIM UHF channel 44.
http://en.wikipedia.org/wiki/KVMD , and ,
http://en.wikipedia.org/wiki/KILM.
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Antenna systems numbers 1 and 2 are not connected together on to one coax.
Antenna systems numbers 1 and 2 are Separate antenna systems all the way to the locations of the Tv/s , at the locations of the Tv/s the Separate antenna systems will be connected to a Remote A/B coax antenna switch ,
http://www.mcmelectronics.com , #32-4425 , or ,
http://www.radioshack.com , #15-1968.