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Re: Horizontal Polarized Antenna



Sion, 

I have been using horiz oriented yagis on the LEOS for 5 months now.. and I
am VERY pleased with their capabilities. My station is almost exactly as
yours. Visit my web page and you can see the set up yourself.

http://n2jdq2007.tripod.com

Make sure you check my log as well to give you an idea of effectiveness.

-Steve Raas
N2JDQ



-----Original Message-----
From: amsat-bb-bounces@amsat.org [mailto:amsat-bb-bounces@amsat.org] On
Behalf Of Sion Chow Q. C. (9W2QC)
Sent: Friday, May 25, 2007 11:05 AM
To: amsat-bb@amsat.org
Subject: [amsat-bb] Horizontal Polarized Antenna

Dear All,

Currently for my satellite station I am using double stacked vertical
polarized yagi antennas for 2M and 70 CM.

However, due to mounting constrains, I would like to mount them in a H
configuration instead, on the G-5500 rotator, with the 2M antenna on one
side and the 70 cm antenna on the other.  A yagi for L and S band will be
mounted in between the two antennas on the horizontal boom.

This would mean that I will require the antenna to be horizontally polarized
instead of vertically polarized unless I use a non-metallic boom.  Before I
perform this, I would like to know what are the differences with using
horizontal instead of vertical polarization when operation the LEOs such as
AO-51, SO-50 and etc.  Also, what are the effects of using a horizontal
polarization with the ISS on 2M?

Sorry if this has been asked before, but was just trying to be sure before I
perform any major modifications.  Thank you very much in advance.

73,
Sion Chow Q. C.,
9W2QC.



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