wrote:
Those plans are for uhf only.

Antennas are scalable.
--
73, Cecil http://www.qsl.net/w5dxp


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Cecil Moore wrote:
wrote:
Those plans are for uhf only.

Antennas are scalable.
--
73, Cecil http://www.qsl.net/w5dxp


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How would I "scale it".

wrote:
Cecil Moore wrote:
Antennas are scalable.

How would I "scale it".

For instance, if an antenna is resonant on 460 MHz,
multiply all the dimensions by pi to make it resonant
on approximately 146.4 MHz.
--
73, Cecil http://www.qsl.net/w5dxp


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On Fri, 14 Jan 2005 11:18:18 -0600, Cecil Moore
wrote:
For instance, if an antenna is resonant on 460 MHz,
multiply all the dimensions by pi to make it resonant
on approximately 146.4 MHz.
What flavr pi and how long wuld i hav to bak it? (Kentucky humor)

Richard Clark wrote:
Cecil Moore wrote:

For instance, if an antenna is resonant on 460 MHz,
multiply all the dimensions by pi to make it resonant
on approximately 146.4 MHz.

What flavr pi and how long wuld i hav to bak it? (Kentucky humor)

When I divided 460 by 146, it was so close to pi that I
couldn't resist. We have a cartoon on the wall here at
the GED center that was lifted from a MENSA publication.

The setting is a restaurant where a man has just asked the
waitress, "How much is pie?" She responds, "How much is pi?
Last I heard it was
3.141592653589793238462643383279502884197169399375 1058209749..."
There are a couple of hundred additional digits on the cartoon.
--
73, Cecil http://www.qsl.net/w5dxp


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Cecil Moore wrote:
wrote:
Cecil Moore wrote:
Antennas are scalable.

How would I "scale it".

For instance, if an antenna is resonant on 460 MHz,
multiply all the dimensions by pi to make it resonant
on approximately 146.4 MHz.
--
73, Cecil http://www.qsl.net/w5dxp


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This is a joke, right?

I am serious with the question. Will "scaling it" for a bottom band of
say 108 mhz make it "less efficent" at higher band?

wrote:
Cecil Moore wrote:
For instance, if an antenna is resonant on 460 MHz,
multiply all the dimensions by pi to make it resonant
on approximately 146.4 MHz.

This is a joke, right?

Not exactly - just a dash of Aquarian humor.

I am serious with the question. Will "scaling it" for a bottom band of
say 108 mhz make it "less efficent" at higher band?

If a uhf discone is designed to cover 400-500 MHz, for instance,
when you scale it to a vhf center frequency of 108 MHz, it will
cover approximately 96-120 MHz.
--
73, Cecil http://www.qsl.net/w5dxp


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On 14 Jan 2005 10:59:47 -0800, wrote:
I am serious with the question. Will "scaling it" for a bottom band of
say 108 mhz make it "less efficent" at higher band?
Only if you burn yur pi krust on the higher setting - SERIOUS! :-)

By the way, what flavor pi did you pick? In the News Democrat and
LEader they offer recipes for cranberries today (mmmm cranberry pi for
UHF). The Kentucky NeW Era reports apples are a good bet out at
Schlei's Orchards this weekend (mmmm apple pi for VHF).

i don't have apples....only windows xp

"Richard Clark" wrote in message
...
On 14 Jan 2005 10:59:47 -0800, wrote:
I am serious with the question. Will "scaling it" for a bottom band of
say 108 mhz make it "less efficent" at higher band?
Only if you burn yur pi krust on the higher setting - SERIOUS! :-)

By the way, what flavor pi did you pick? In the News Democrat and
LEader they offer recipes for cranberries today (mmmm cranberry pi for
UHF). The Kentucky NeW Era reports apples are a good bet out at
Schlei's Orchards this weekend (mmmm apple pi for VHF).

On Fri, 14 Jan 2005 21:46:55 GMT, "Radio Man"
wrote:
i don't have apples....only windows xp

*** the category is pi for 2¢ ***
*** Sorry, but in these rounds of Jeopardy, ***
*** you must put your response in the form of a question ***

tum-de-dum-dum dum-dum-dum ....