[TenTec] Radio Shack 25 amp switching supply?

[Scott Rosenfeld [N7JI]]

Remember, S9 is 50uV at the antenna input, or about 50 picowatts at 50 
ohms.

And that's for S9.

A few picowatts is enough to make a very audible signal.

(and that's not much power!!!)

On Mon, 10 Mar 2003 al_lorona at agilent.com wrote:

> 
> You won't see any noise on the scope, but you *will* hear it on a shortwave receiver.
> 
> Al  W6LX
> 
> >  I couldn't measure any noise with a scope hooked directly to 
> > the output of the
> > supply.
> > 
> > 73 de Gary, AA2IZ
> > 
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-- 
Scott Rosenfeld  ARS N7JI
541-684-9970  Eugene, OR  Land o' much rain
If you find me on the air, I'm probably in my car
ham at w3eax.umd.edu  http://w3eax.umd.edu/~ham