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Posted by Jimw on May 1, 2009, 10:26 pm
I bought a used rooftop tv antenna at a garage sale so there are no
instructions. I know how to mount it and connect the coax, but I do
not recall which end points toward the tv station transmitter.
I know the UHF elements are the smaller ones and the VHF are the
larger ones. But which end goes toward the station? Here is a crude
drawing (below).
\\
show/hide quoted text
->>>>>>>>>-
//////
You'd think there would be a diagram on the web, but I sure can not
find one. They should mark it right on the antenna but they dont.
Jimw
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Posted by 1D10T on May 1, 2009, 10:35 pm
show/hide quoted text
>I bought a used rooftop tv antenna at a garage sale so there are no
> instructions. I know how to mount it and connect the coax, but I do
> not recall which end points toward the tv station transmitter.
> I know the UHF elements are the smaller ones and the VHF are the
> larger ones. But which end goes toward the station? Here is a crude
> drawing (below).
> \\
> ->>>>>>>>>-
> //////
http://www.kyes.com/antenna/pointing/pointing.html
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Posted by Todd on May 1, 2009, 11:14 pm
1D10T wrote:
show/hide quoted text
>> I bought a used rooftop tv antenna at a garage sale so there are no
>> instructions. I know how to mount it and connect the coax, but I do
>> not recall which end points toward the tv station transmitter.
>> I know the UHF elements are the smaller ones and the VHF are the
>> larger ones. But which end goes toward the station? Here is a crude
>> drawing (below).
>> \\
>> ->>>>>>>>>-
>> //////
> http://www.kyes.com/antenna/pointing/pointing.html
>
>
Get yourself a "low noise amplifier" for the mast of the antenna.
It will really improve your reception. Radio Shack has some.
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Posted by tnom on May 1, 2009, 11:18 pm
show/hide quoted text
>I bought a used rooftop tv antenna at a garage sale so there are no
>instructions. I know how to mount it and connect the coax, but I do
>not recall which end points toward the tv station transmitter.
>I know the UHF elements are the smaller ones and the VHF are the
>larger ones. But which end goes toward the station? Here is a crude
>drawing (below).
> \\
>->>>>>>>>>-
> //////
>You'd think there would be a diagram on the web, but I sure can not
>find one. They should mark it right on the antenna but they dont.
>
>Jimw
The longest elements are always the back side of the antenna.
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Posted by Tony Hwang on May 1, 2009, 11:23 pm
Jimw wrote:
show/hide quoted text
> I bought a used rooftop tv antenna at a garage sale so there are no
> instructions. I know how to mount it and connect the coax, but I do
> not recall which end points toward the tv station transmitter.
>
> I know the UHF elements are the smaller ones and the VHF are the
> larger ones. But which end goes toward the station? Here is a crude
> drawing (below).
>
> \\
> ->>>>>>>>>-
> //////
>
> You'd think there would be a diagram on the web, but I sure can not
> find one. They should mark it right on the antenna but they dont.
>
> Jimw
Hi,
Basically, there are multi element on a boom. Shorter element side
should point to the station. Short element is called director, longer
one is called reflector. The more elements, the more gain.
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