You and many others have discovered that no matter what the manufactures and sellers of Tv antennas claim , There Are No Indoor Magic Tv Antennas.
There are No ->Honest<- Indoor Magic Tv Antennas.
There are No ->Scam<- Indoor Magic Tv Antennas.
And no matter what manufactures and sellers of Tv antennas claim , there are No ->Outdoor<- Magic Tv Antennas.
There are ->No Magic Tv Antennas<-.
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Many San Francisco area , Digital Broadcast Tv stations/channels will be received.
However.
The ->Only Way<- to find out how many San Francisco area , Digital Tv Broadcast stations/channels will be received is to install a Big Antenna above the roof.
Above the Roof in such a manner that the roof and house are not blocking reception to the , south west , north west , north east , east.
Install a Winegard HD7084P antenna aimed at about 225 degree magnetic compass direction.
With the HD7084P antenna aimed at 225 degree , some Tv stations of the other directions will also be received.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Here are some strong and sturdy antenna mounts.
http://www.ronard.com/909911.html. Use the 5 foot tripod antenna mount.
http://www.ronard.com/34424560.html. Use the #4560 eave antenna mount.
http://www.ronard.com/ychim.html. Measure around the chimney for strap length.
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal by typing.
ronard (911)
ronard (4560)
ronard (2212) , ronard (2218) , ronard (2224)
in the solidsignal search box or buy from ronard.
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Here are some places to buy antennas and etc. .
http://www.solidsignal.com.
http://www.amazon.com.
http://www.winegarddirect.com.
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Install a Winegard HDP-269 preamp.
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For 1 Tv connected use No splitter.
For 2 Tv's connected use a , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , HFS-3D , 3 way splitter.
Buy the HFS splitters at ,
http://www.solidsignal.com , or ,
http://www.hollandelectronics.com.
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To keep weather/water out of coax that is outside , use coax that has the Compression type coax connectors on the ends of the coax , not the old crimp type connectors.
And to make double sure that weather/water does not get into outside connections use ,
http://www.coaxseal.com.
Do not use -rubber weather boots- the rubber weather boots take in water and hold the water inside the boot , this makes for bad connections.
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As always , trees and tree leaves , plants and plant leaves , have a Negative Effect on Broadcast Tv Reception , multi-path/reflecting , absorbing , blocking , Digital Broadcast Tv Reception and so do buildings including your own roof and house and other obstructions
The Best Practice is to install the HD7084P 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 roof and house.
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The Tv/s Must Channel Scan for the , OTA=Over The Air , Digital Broadcast Tv Stations Channels , often named the 'Air Channels' or 'Antenna Channels' in the Tv Setup Menu because the Tv transmissions travel through the Air from the transmitting antenna to the receiving antenna.
Some Digital Tv's will Automatic channel scan for cable tv channels.
DO NOT channel scan for cable tv channels.
Go into the Tv Setup Menu and select , 'Air Channels' ~ 'Antenna Channels'.
Scan for channels.
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Digital Tuners can develop -Digital Glitches- that are not cleared out with simple channel scans.
Do Double Rescan ,
http://www.dtv.gov/rescan.html.
