| Subject: | Re: Re: Your homemade quick parabolic mic. |
|---|---|
| From: | Klas Strandberg <> |
| Date: | Tue, 24 Sep 2002 13:04:14 +0200 |
=20
>
>What do you consider to be the minimum distance for placing a pink
>noice sound source and testing the gain and charector of a
>parabolic? Is it the same as the in focus minimum distance of a
>binocular at the infinity setting?
>
>
I make all tests at 30 meters. On turf, if possible.
Klas.
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