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Re: AO-51 V/S mode 8 turns helix

I think Echo is linear on L and S bands.  The antenna can be seen at
http://www.amsat.org/amsat-new/echo/OSCAR-E_Status_Report_5.pdf and acts
like a dual band  vertical.  A description of this antenna design can be
found in the ARRL antenna book.

John, KJ6HZ

> What is the polarization/type of the AO-51 S-band downlink antenna?
> Mike W4LNA
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