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Re: Making a parabola

Subject: Re: Making a parabola
From: "Serge Le Huitouze" slehuitouze
Date: Tue Sep 25, 2012 4:30 am ((PDT))
On Thu, Sep 20, 2012 at 9:48 PM, Klas Strandberg <> wrote=
> when you have side wind hitting the dish, which you always have when
> pointing up into the sky, there will be strong turbulence in the dish.
> A base filter must be used before the first input transistor,
> otherwise it will cause severe distortion, OR a piece of cloth
> working as a wind shield, covering the entire opening of the dish.

In a later message, Klas added:
> Another way is to cover the entire parabol opening with a cloth, like
> fleece. Such a fleece will also dampen the sounds of insects hitting the =

In addition to dealing with the wind, one might have to deal with the rain,
e.g. when recording 24/7 a la OldBird (

Has anyone a concrete experience with such settings?

(Granted, it's not exactly about high fidelity nature recording, but I gues=
that some problems are common to both applications).


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