info
Chris Trask
ctrask at PRIMENET.COM
Fri Apr 9 11:02:18 EDT 1999
Michael,
You might try directing your question to the antenna reflector.
Plenty of people there who can help you with your question.
In the meantime, consider using a couple of cheepo FM band
antennas, which are usually truncated log-periodic arrays. With
a pair of these (one for transmit, one for receive), you can rotate
the one along it's logitudinal axis, which will take you through
horizontal and vertical polarization. Because of ground reflections,
etc., you won't get an absolute null one way or the other, but it
would be an effective demonstration and requires little in the way
of preparation.
On Fri, 9 Apr 1999, Michael Shelton wrote:
> Fellow keepers of the green,
> this is not heath related but I need some ideas on a LAB
> Demo showing antenna polorization, appealing to the vast
> talents of the group maybe someone can email me direct on
> some type of demo to show the effects to college students
> so that they can understand the concept, I have rf gen's.
> am, fm transmitters etc, any input is appreciated.
> also please respond to both my email addresses so I can
> work on this project at home this weekend.
> simple but effective.
> thanks to the group.
> --
>
> -Mike
>
> ________________________________
> Michael Shelton
> Electronics Technician
> The University of North Carolina
> CB #3255
> Chapel Hill, NC 27599-3255
> Office: (919) 962-5475
> Fax: (919) 962-0480
> ________________________________
> Amateur radio callsign: ke4lgx
> ________________________________
> E-Mail: work: mailto:sheltonm at physics.unc.edu
> Home: mailto:ke4lgx at yahoo.com
> ________________________________
>
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,----------------------. Circuit Design for the
/ What's all this \ RF Impaired
/ extinct stuff, anyhow? /
\ _______,--------------' Chris Trask / N7ZWY
_ |/ Principal Engineer
oo\ ATG Design Services
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\ \ / \
\ '" \ Technical Editor,
. ( ) \ QRP Quarterly
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| | | | \ '.
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