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Re: Ultra portable AO-40 RX system



Hi, Pedro:

Get yourself a 60cm dish and patch feed such as the G3RUH dish system.  It's
certainly more compact than any helix which is capable of reasonable
reception of AO-40's downlink and will out-perform it as well.

73,

Rick, KG6IAL
www.teksharp.com

----- Original Message ----- 
From: "Pedro EB4DKA" <eb4dka@teleline.es>
To: <amsat-bb@AMSAT.Org>
Sent: Thursday, June 12, 2003 12:49 PM
Subject: [amsat-bb] Ultra portable AO-40 RX system


> Hi group!
>
> I would like to make an "ultra-portable" RX-only system in order to hear
the
> AO-40 this summer holidays in my boat. I have the following rigs:
>
> - DB6NT MKU-24 OSCAR Converter (0,6 dbNF and 26 db gain)
> -Kenwood TH-F7E (European version of TH-F6A)
> -Icom IC-R10
>
> I think I should use the TH-F7 instead of the IC-R10 because it is more
> sensitive (at least in VHF/UHF ) and the bandwidth is better for SSB use
(I
> know that the handheld scanners have bandwidth problems in SSB, but I need
a
> truly portable system).
>
> My doubt is about the antenna. I would like to use a helix because it is
the
> most portable antenna that I know (I think that a 2.4 linear Yagi is worse
> due to the polarization).
> I would like to know the minimal antenna gain that I need with this setup.
>
> Any sugestions or experiences?
>
> Thank you very much from Spain!
>
> Best wishes to all
>
> Pedro EB4DKA
>
> ----
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----
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