[amsat-bb] Re: 1.2GHz and K5GNA BBQ Ant ??

Anthony Monteiro aa2tx at comcast.net
Fri Nov 17 14:57:37 PST 2006

Hi Bill,,

I did a pretty extensive analysis of this antenna including adding
screening for receiving AO-40. The article withh all the details
and measurements is in the proceedings of the 2004 AMSAT Space Symposium.

This antenna was designed for max gain, not space communications, and it has
a very high noise temperature. However, for receiving AO-51, the stock dish
is fine. An initial analysis shows that it should be fine for receiving Eagle
on S-band in most cases also.

Tony AA2TX


At 05:11 PM 11/17/2006, Bill Booth wrote:

>Mark Brueggemann K5LXP recently inquired about a 1.2GHz antenna but
>mentioned he had a K5GNA barbecue dish and  converter.  Since I have my
>antennas down for rework, (since I moved) I am wondering the same thing.
>I am also curious if covering the BBQ grill with screening material on the
>K5GNA unit is worth the trouble.  There was lots of discussion about it when
>AO-40 was working, but I do not remember anyone saying it was worth the
>trouble.  Anybody add the screen material to the unit and what kind of
>improvement did you hear......
>Bill Booth VE3NXK
>Sundridge ON, Canada
>79.23.37 W x 45.46.18 N
>Visit my weather WebCam at http://www.almaguin.com/wxcurrent/weather.html
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