Re: Edmund Parabolic Reflectors

[Walter Knapp <>]

From: Klas Strandberg <>

> 
> What does "thunk" mean?
> 
> I guess it is the parabola resonance itself? "Plonk" when insects hit it, 
> for example??
> It can easily be dampened to nothing with a piece of cloth covering the 
> opening. There is a
> special Telinga windshield to get for the lazy ones, without a needle and 
> thread.
> 
> Or do I misunderstand?

I think you got it right.

I have the "lazy ones" windshield. It fails to make much difference when 
insects hit the dish. Except they can only hit the outside.

It does, however, work well against wind.

Walt




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