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Re reading your reception situation again , I read that your home is a 3 story home.
That being the case , I am making a new recommendation.
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Ok here is New recommendation.
All antennas will be Above The Peak of the 3 Story Roof.
For reception of the USA Digital Broadcast Tv Stations/Channels.
Install the U4000 with the reflectors removed , aim either side at about 270 degree magnetic compass direction and the UHF Tv stations channels will be received both directions.
Also install a ,
www.antennacraft.net , Y10-7-13 , VHF high band channels 7 thru 13 antenna , aimed at about 234 degree magnetic compass direction for reception of the Weak Signal Strength , WBBZ channel 7 , and WHEC channel 10 and WHAM channel 13 , will be received through the back of the Y10-7-13 antenna.
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Install a , RCA , TVPRAMP1R , preamplifier.
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Connect the U4000 to the UHF connection of the RCA preamplifier.
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((I recommend do not use the U4000 antenna.
Up grade to a , Antennas Direct , DB8e UHF antenna.
Aim 1 panel at about 270 degree magnetic direction , and the 2nd panel at about 100 degree magnetic compass direction.
The DB8e UHF antenna can be used to Test reception of Canada Tv stations. ))
Buy the DB8e antenna from ,
www.amazon.com
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Connect the Y10-7-13 antenna to the VHF connection of the RCA preamplifier.
Operate the RCA preamp in the the Separate antenna mode.
Have the FM trap switch in the , in/on , position.
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For 1 Tv connected use No splitter.
For 2 Tv's connected use a , Holland Electronics , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , Holland Electronics , HFS-3D , 3 way splitter.
For 4 Tv's connected use a , Holland Electronics , HFS-4D , 4 way splitter.
Buy the , HFS-2D , HFS-3D , HFS-4D , splitters at ,
www.hollandelectronics.com , or ,
www.amazon.com .
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Here are some above the roof antenna mounts.
www.ronard.com/909911.html
Use the , ronard(911) , 5 foot tripod antenna mount.
www.ronard.com/ychim.html
Measure around the chimney and use a , ronard(2212) , ronard(2218) , ronard(2224) .
Buy the ronard antenna mounts at ,
www.ronard.com , or ,
www.amazon.com .
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As always , trees and tree leaves , plants and plant leaves , have a Negative Effect on Broadcast Tv Reception and so do buildings and other obstructions including your own roof and building.
Some and not all Negative Effects are.
Absorbing and Blocking Reception.
Multi-Path Reflecting Tv Signals Bouncing All Around.
The Best Pratice is to install the antennas at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception including your own roof and building.
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Reception of the Canada Tv Stations will require a Separate antenna system.
For reception of the Canada Digital Broadcast Tv Stations/Channels ,
CBLT , UHF channel 20 , CBC.
CBLFT , UHF channel 25 , French language.
CICA , UHF channel 19 , TVO.
CIII , UHF channel 41 , GTN.
to the , North West , aim a Antennas Direct , DB8e antenna at about 317 degree magnetic compass direction.
Here is how to aim antennas ,
www.kyes.com/antenna/pointing/pointing.html
Use a Real and Actual magnetic compass to aim antenna.
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Install a , RCA , TVPRAMP1R , preamplifier.
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And for splitters it is the same type and kind of splitters as the USA antenna system.
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---> The USA and Canada antenna systems are ---> Separate Antenna Systems All The Way to Each Tv Location.
And at each Tv location a , Remote Control , A/B antenna switch will be installed to switch to the USA and Canada Tv stations.
Remote control A/B switch ,
www.mcmelectronics.com , model number , 32-4425 .
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Install the , Y10-7-13 antenna on the bottom , the DB8e antenna above the Y10-7-13 and the the U4000 on top of the stack.
If using 2 antenna mounts then install the Y10-7-13 on the bottom of the first antenna mount and the U4000 above the Y10-7-13.
And install the DB8e on the second antenna mount.
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Home Depot and Lowes have , Top Rail - chain link fence Pipe that comes in 10 foot sections for antenna mast pipe.
The cost is Low Dollars.