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Old August 25th 05, 10:41 PM
Roger Conroy
 
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"Slim" wrote in message
...
Hi,
I know nothing about electronics etc. My question is:

I have an old 12' dish that is no longer in use. Is it possible to use
that as a high gain FM antenna? I'm about 35 miles out of town, and
located in a low point so my FM reception is poor. This 12' dish is
stitting there rusting. What are the chances of removing the LNB and
getting some FM reception from it?
Any other uses for a 12' mesh dish? Astronomy? Radio Telescope?
At present I've got it pointed right at one of the neighbours houses
and it must be annoying...... :-)
Cheers


It's too small to be of any use for FM broadcast band - diameter is only
about 1/10 of the wavelength.
Rather invest in a yagi or corner reflector for FM broadcast.

73
Roger ZR3RC


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Old August 26th 05, 11:16 PM
K7ITM
 
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Roger wrote:
It's too small to be of any use for FM broadcast band - diameter is only
about 1/10 of the wavelength.
Rather invest in a yagi or corner reflector for FM broadcast.


More like one wavelength: it's a bit over 3 meters. Still, as you
say, it's too small.

Elevation of the antenna will do more good than anything else, if
you're in a bit of a low spot. Pick an FM antenna with some gain
(Yagi, for example) and get it up as high as you reasonably can. It's
a lot easier to get an FM Yagi up a few tens of feet than it is to get
a 12 foot dish up that high!

Cheers,
Tom

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Old August 27th 05, 02:15 PM
Roger Conroy
 
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"K7ITM" wrote in message
oups.com...
Roger wrote:
It's too small to be of any use for FM broadcast band - diameter is only
about 1/10 of the wavelength.
Rather invest in a yagi or corner reflector for FM broadcast.


More like one wavelength: it's a bit over 3 meters. Still, as you
say, it's too small.

Elevation of the antenna will do more good than anything else, if
you're in a bit of a low spot. Pick an FM antenna with some gain
(Yagi, for example) and get it up as high as you reasonably can. It's
a lot easier to get an FM Yagi up a few tens of feet than it is to get
a 12 foot dish up that high!

Cheers,
Tom


Oops! my mistake - I read inches instead of feet!
Not really used to ye olde english measuring system. Much happier in metric.

73
Roger ZR3RC


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