Nigel Orr- Underwater Acoustics Group wrote:

>
> Or clip the ground lead to the probe tip, to get a slightly larger loop
> without even having to break the probe?

You can try that, I suppose. The idea of a small loop is to sniff out those
components or areas that are noisy.
>
> >Now if you run this loop over your circuit you will see any emissions on
> >the scope. Test this by running it over any RF circuit like a radio.
>
> Now, levels- I realise, as I've said before, that such a 'home-brew' won't
> be calibrated, but can you give me an idea of how voltage level from this
> arrangement will relate to emissions specs?
>
That I can not tell you. It's been a while since I've used something like
this myself, but I am sure somebody will work out the relation.
As I said, this is homebrew just to give you indication of emissions, and
where to locate them.

Quentin