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Re: Circularly Polarized Yagi Sense?



take a look:

http://www.qsl.net/sv1bsx/antenna-pol/polarization.html

73, Mak

----- Original Message ----- 
From: "Mark Brueggemann K5LXP" <brueggemail-k5lxp@yahoo.com>
To: <amsat-bb@amsat.org>
Sent: Monday, May 22, 2006 9:27 PM
Subject: [amsat-bb] Circularly Polarized Yagi Sense?


> I've built a set of circularly polarized antennas by taking two
> coplanar yagis and feeding one of the driven elements 90 out of phase
> with the other, using a phase delay line and a coaxial relay to switch
> from left to right hand CP, per the Antenna Handbook.  
> 
> Now, how does one determine the sense (RH/LH) based on which element is
> fed with the 90 degree delay?   The only reference I've found is the
> IEEE definition of "clockwise polarization for a receding wave as
> right-hand", but that doesn't help with my question.  What's the rule
> of thumb to know if I'm RHCP or LHCP based on which element the 90
> degree delay is applied to?
> 
> Mark K5LXP 
> Albuquerque, NM 
> ----
> Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
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> 



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