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The Current Tv Stations Channels that are Transmitted and Received in the , USA , Canada , Mexico , are.
VHF low band channels 2 thru 6.
VHF high band channels 7 thru 13.
UHF band channels 14 thru 51.
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Tvfool Channel List and Radar Plot shows the Real Channel that is being Transmitted and Received.
Tvfool Channel List shows the (virt) virtual number , the virtual numbers are Not Real Channels , even if the virtual number is the same as the Real Channel.
Tv antennas are designed to receive Real Channels.
Tv antennas are selected to receive Real Channels.
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Your location has receivable Real Channels in all 3 channel bands.
However.
WHBF-TV , Real VHF low band channel 4 is also , WHBF-TV Real UHF band channel 47.
So No requirement to receive Real VHF low band channel 4.
http://en.wikipedia.org/wiki/WHBF-TV
And.
KIIN , Real VHF high band channel 12 , is also , KQIN Real UHF band channel 34.
So No requirement to receive Real channel 12.
http://en.wikipedia.org/wiki/iowa_Public_Television.
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So that leaves Only UHF Real Channels to Receive in the Green and Yellow Reception Zones of the Current Plus Pending Applications Included Digital Broadcast TV Stations/Channels , Channel List and Radar Report.
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So install a Antennas Direct , DB8e UHF antenna Above the Peak of the Roof in such a manner that the roof and building are not , obstructing , impeding , blocking , reception , in the directions of , South South East , South West , West , North West.
Aim 1 panel of the DB8e antenna at about 190 degree magnetic compass direction.
Aim the other panel at about 287 degree magnetic compass direction.
Buy the DB8e antenna at ,
http://www.amazon.com.
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Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Use a Real and Actual magnetic compass to aim antenna , do not trust a cell phone , tablet and etc. compass.
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Here are some above the roof antenna mounts.
http://www.ronard.com/909911.html.
Install the , ronard(911) , 5 foot tripod antenna mount.
http://www.ronard.com/34424560.html.
Install the , ronard(4560) , eave antenna mount.
http://www.ronard.com/ychim.html.
Measure around the chimney and install a , ronard(2212) , ronard(2218) , ronard(2224) .
http://www.ronard.com.
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Home Depot has , 10 foot 6 inch length , 1 and 3/8 inch diameter , TOP RAIL , chain link fence , PIPE , good for antenna mast pipe , low price at about 10 dollars.
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When Installing the New DB8e Antenna System Start at the Beginning.
Disconnect and Remove All , Splitters , Couplers , Attenuators , Antennas , Antenna Amplifiers , Power Injectors , Power Supplies , and Etc. .
A antenna system amplifier is Not required.
Fo 1 Tv connected use No splitter.
For 2 Tv's connected use a 2 way splitter.
For 3 Tv's connected use a 3 way splitter.
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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 , Attic , Roof , Building.
Some and not all Negative Effects are.
Absorbing and Blocking Reception.
Multi-Path Reflecting Tv Signals Bouncing All Around.
The Best Practice for Reliable Reception is to Install the DB8e antenna 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 , Attic , Roof , Building.