[amsat-bb] Re: 70cm Yagi and AO-51

OZ1MY oz1my at privat.dk
Tue Jan 1 03:59:52 PST 2008


Hi Andrew,
That is exactly to be expected.
435.300 MHz is RHCP and
435.150 MHz is LHCP.
Happy New Year
73 OZ1MY
Ib
----- Original Message ----- 
From: "Andrew Rich" <vk4tec at people.net.au>
To: "Amsat-Bb at Amsat. Org" <amsat-bb at amsat.org>
Sent: Tuesday, January 01, 2008 10:12 AM
Subject: [amsat-bb] 70cm Yagi and AO-51


> Gudday
>
> I tried a crossed offset yagi on the one boom.
>
> When I threw just one part of the yagi on the boom, AO-51 was really good,
>
> Now I am finding that with the second yagi on the boom I am seeing a big
> drop between 435.300 and 435.150 voice / data.
>
> I think I might remove the second yagi from the common boom and add it to
a
> new seperate boom
>
> Comments ?
>
> I think I am getting -20db due to the cross polar RHCP LHCP with the data
>
> The voice is great , the data is down in the mud
>
>
> --------------------------------------------------------------------------
--
> Andrew Rich VK4TEC
> vk4tec at people.net.au
> http://www.tech-software.net
>
>
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