[amsat-bb] Re: AO-51 S-Band antenna polarization

[jmfranke]

Many thanks to all who responded.  The additional references were great!

Thanks to all,

John  WA4WDL

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From: "Alan P. Biddle" <APBIDDLE at UNITED.NET>
Sent: Tuesday, December 21, 2010 3:10 PM
To: "'jmfranke'" <jmfranke at cox.net>; <amsat-bb at amsat.org>
Subject: RE: [amsat-bb]  AO-51 S-Band antenna polarization

> John,
>
> It is linear.  You are right that the information exists, but is sometimes
> not readily available.  A good place to look is the Weekly Satellite 
> Report
> which AMSAT distributes.  For many, but not all satellites, that 
> information
> is just below the frequency information.  For AO-51 we find:
>
> Mode and Antenna Polarization:
>
> V: Linear
> U: TX A (usually digital)LHCP
>   TX B (usually analog) RHCP
> L: Linear
> S: Linear
>
> Alan
> WA4SCA
>
>
>
>
>
>
> -----Original Message-----
> From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
> Behalf Of jmfranke
> Sent: Tuesday, December 21, 2010 1:57 PM
> To: amsat-bb at amsat.org
> Subject: [amsat-bb] AO-51 S-Band antenna polarization
>
> Does anyone know the polarization of the 2.4 GHz transmissions from AO-51.
> Are they circular?  If so which polarity, RHCP or LHCP?  Are they linear?
> If so is there a preferred receiving polarization?  I have examined the
> AMSAT web site and many references on the Internet, but cannot seem to 
> find
> the answer.
>
> Thanks,
>
> John  WA4WDL  AMSAT member 10211
>
>
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