[HamWAN PSDR] Remote SDR receiver available

Benjamin Krueger ben.krueger at gmail.com
Wed Jul 11 12:51:58 PDT 2018


What kind of whip? If it's just a ground rod, adding radials should help.

On Wed, Jul 11, 2018 at 12:44 PM Bart Kus <me at bartk.us> wrote:

> Hello,
>
> The recent Haystack work party managed to install a receive-only SDR up
> there.  It is provisionally available for use by anyone at:
>
> http://44.24.241.60:8073
>
> I'll move it to a more permanent address, with proper DNS, at some
> future point.
>
> In the meantime, I'd like to solicit advice on how to minimize the QRM
> it's picking up.  The noise is being emitted by the site itself, from
> the Ethernet cables and such.  I've connected all the shields to site
> ground, but the emissions are still there.  The current antenna is a
> ground rod with vertical whip.
>
> 1) Is there a better antenna design that can serve the broadband
> (DC-30MHz) omnidirectional receive duties?
> 2) Are there any suggestions on how to further minimize the noise being
> emitted by the site?
>
> Thanks, and enjoy!
>
> --Bart
>
> _______________________________________________
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> PSDR at hamwan.org
> http://mail.hamwan.net/mailman/listinfo/psdr
>


-- 
Benjamin
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